Speechace
  • Introduction
    • Overview
    • Use-Cases
  • Getting Started
    • Pre-requisites
      • API Features
      • Getting the API Key
      • API Regions and endpoints
      • API Limits
    • API Samples
    • Supported Languages
    • API Versioning
    • Authentication
    • Try the Speechace API
    • Error Handling
      • Common Errors
      • Retry Strategies
  • Solutions
    • Speaking Practice for Language Learning
    • Automated Language Assessment with AI
    • Voice AI for Early Literacy
    • Test Prep for Standardized tests
      • PTE Speaking Questions
      • IELTS Speaking Questions
      • TOEFL Speaking Questions
      • CEFR Speaking Questions
      • TOEIC Speaking Questions
    • Speaking Practice in Spanish and French
  • Features
    • Introduction
    • Scripted activities
      • Pronunciation Scoring
        • Word and Sentence pronunciation
        • Multiple choice
        • Custom pronunciations
        • Phoneme list
      • Fluency scoring
        • Passage scoring
      • Lexical stress and intonation
    • Spontaneous activities
      • Open-ended scoring
        • Language scoring
        • Relevance scoring
        • Language detection
      • Task achievement scoring
        • Describe Image
        • Re-tell Lecture
        • Answer Question
  • API Reference
    • Postman API reference
    • Score Text/Pronunciation
      • Handling overall scores
      • Handling word scores
      • Handling phoneme and syllable scores
    • Score Text/Multiple choice
      • Handling multiple choice response
    • Score Text/Markup Language
      • Handling Markup Response
    • Score Text/Stress & Intonation
      • Handing stress and intonation response
    • Score Text/Phoneme list
      • Handling phoneme list response
    • Score Text/Fluency
      • Handling fluency response
      • Fidelity detection
    • Score Text/Validate Text
    • Score Speech/Open-ended
      • Handling language scores
      • Per metric feedback
        • Grammar metrics
        • Vocabulary metrics
        • Coherence metrics
    • Score Speech/Relevance
      • Handling relevance response
    • Score Speech/Language Detection
    • Score Task/Task Achievement
  • Guides on common topics
    • Intepreting quality score
    • Interpreting overall scores
      • Pronunciation Bands
      • Fluency Bands
      • Vocabulary Bands
      • Grammar Bands
      • Coherence Bands
    • Scoring rubrics
    • Interpreting fidelity class
    • Phonetic notation
      • US English (en-us)
      • UK English (en-gb)
      • French (fr-fr, fr-ca)
      • Spanish (es-es, es-mx)
    • Getting word timestamps in audio
    • Automatic handling of unknown words
    • Phoneme to letter mapping
    • Markup Language
  • Other Resources
    • Requesting Support
    • Rate Limiting
    • Data Retention
    • FAQs
    • Appendices
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On this page
  • Request Format
  • Query Parameters
  • Request Body
  • Response Example
  1. API Reference

Score Text/Pronunciation

PreviousPostman API referenceNextHandling overall scores

Last updated 6 months ago

Run in Postman:

Request Format

The endpoint that is to be used will depend on the of your subscription. For example, for US West, the endpoint is .

POST

curl --location -g 'https://api.speechace.co/api/scoring/text/v9/json?key={{speechacekey}}&dialect=en-us \
--form 'text="apple"' \
--form 'user_audio_file=@"apple.wav"'
curl --location -g 'https://api.speechace.co/api/scoring/text/v9/json?key={{speechacekey}}&dialect=en-us \
--form 'text="Some parents admire famous athletes as strong role models, so they name their children after them."' \
--form 'user_audio_file=@"someparents.wav"'

Query Parameters

Parameter
Type
Description

key

String

dialect

String

Note: Not all features of the score/text API support every dialect. Applicable dialects will be explicitly mentioned.

user_id

String

Optional: A unique anonymized identifier (generated by your application) for the end-user who spoke the audio.

Request Body

Parameter
Type
Description

text

String

user_audio_file

File

file with user audio (wav, mp3, m4a, webm, ogg, aiff)

question_info

String

Optional: A unique identifier (generated by your application) for the activity or question this user audio is answering.

no_mc

String

Optional: no_mc = 1 to indicate the text field contains multiple lines.

include_fluency

String

include_intonation

String

markup_language

String

Optional: markup_language = arpa_mark This key signifies that the text parameter may contain markup annotations.

include_unknown_words

String

Optional: include_unknown_words = 1

This key instructs Speechace to automatically infer the expected pronunciation for unknown terms, such as names, places, and other specific terminology. This ensures accurate feedback even for unfamiliar words.

Response Example

{
  "status": "success",
  "quota_remaining": -1,
  "text_score": {
    "text": "apple",
    "word_score_list": [
      {
        "word": "apple",
        "quality_score": 100,
        "phone_score_list": [
          {
            "phone": "ae",
            "stress_level": 1,
            "extent": [
              12,
              27
            ],
            "quality_score": 100,
            "stress_score": 100,
            "predicted_stress_level": 2,
            "word_extent": [
              0,
              1
            ],
            "sound_most_like": "ae"
          },
          {
            "phone": "p",
            "stress_level": null,
            "extent": [
              27,
              39
            ],
            "quality_score": 100,
            "word_extent": [
              2,
              3
            ],
            "sound_most_like": "p"
          },
          {
            "phone": "ah",
            "stress_level": 0,
            "extent": [
              39,
              42
            ],
            "quality_score": 100,
            "stress_score": 100,
            "predicted_stress_level": 0,
            "word_extent": [
              3,
              4
            ],
            "sound_most_like": "ah"
          },
          {
            "phone": "l",
            "stress_level": null,
            "extent": [
              42,
              54
            ],
            "quality_score": 98.5,
            "word_extent": [
              3,
              4
            ],
            "sound_most_like": "l"
          }
        ],
        "syllable_score_list": [
          {
            "phone_count": 1,
            "stress_level": 1,
            "letters": "ap",
            "quality_score": 100,
            "stress_score": 100,
            "predicted_stress_level": 2,
            "extent": [
              12,
              27
            ]
          },
          {
            "phone_count": 3,
            "stress_level": 0,
            "letters": "ple",
            "quality_score": 100,
            "stress_score": 100,
            "predicted_stress_level": 0,
            "extent": [
              27,
              54
            ]
          }
        ]
      }
    ],
    "ielts_score": {
      "pronunciation": 9
    },
    "pte_score": {
      "pronunciation": 90
    },
    "speechace_score": {
      "pronunciation": 100
    },
    "toeic_score": {
      "pronunciation": 200
    },
    "cefr_score": {
      "pronunciation": "C2"
    }
  },
  "version": "9.3"
}
{
  "status": "success",
  "quota_remaining": -1,
  "text_score": {
    "text": "Some parents admire famous athletes as strong role models, so they name their children after them.",
    "word_score_list": [
      {
        "word": "Some",
        "quality_score": 99,
        "phone_score_list": [
          {
            "phone": "s",
            "stress_level": null,
            "extent": [
              9,
              27
            ],
            "quality_score": 98.66666666666667,
            "word_extent": [
              0,
              1
            ],
            "sound_most_like": "s"
          },
          {
            "phone": "ah",
            "stress_level": 1,
            "extent": [
              27,
              36
            ],
            "quality_score": 100,
            "stress_score": 100,
            "predicted_stress_level": 1,
            "word_extent": [
              1,
              2
            ],
            "sound_most_like": "ah"
          },
          {
            "phone": "m",
            "stress_level": null,
            "extent": [
              36,
              42
            ],
            "quality_score": 99.5,
            "word_extent": [
              2,
              3
            ],
            "sound_most_like": "m"
          }
        ],
        "syllable_score_list": [
          {
            "phone_count": 3,
            "stress_level": 1,
            "letters": "some",
            "quality_score": 99,
            "stress_score": 100,
            "predicted_stress_level": 1,
            "extent": [
              9,
              42
            ]
          }
        ]
      },
      {
        "word": "parents",
        "quality_score": 99,
        "phone_score_list": [
          {
            "phone": "p",
            "stress_level": null,
            "extent": [
              42,
              51
            ],
            "quality_score": 100,
            "word_extent": [
              0,
              1
            ],
            "sound_most_like": "p"
          },
          {
            "phone": "eh",
            "stress_level": 1,
            "extent": [
              51,
              57
            ],
            "quality_score": 100,
            "stress_score": 100,
            "predicted_stress_level": 1,
            "word_extent": [
              1,
              2
            ],
            "sound_most_like": "eh"
          },
          {
            "phone": "r",
            "stress_level": null,
            "extent": [
              57,
              66
            ],
            "quality_score": 100,
            "word_extent": [
              2,
              3
            ],
            "sound_most_like": "r"
          },
          {
            "phone": "ah",
            "stress_level": 0,
            "extent": [
              66,
              69
            ],
            "quality_score": 100,
            "stress_score": 100,
            "predicted_stress_level": 0,
            "word_extent": [
              3,
              4
            ],
            "sound_most_like": "ah"
          },
          {
            "phone": "n",
            "stress_level": null,
            "extent": [
              69,
              75
            ],
            "quality_score": 100,
            "word_extent": [
              4,
              5
            ],
            "sound_most_like": "n"
          },
          {
            "phone": "t",
            "stress_level": null,
            "extent": [
              75,
              76
            ],
            "quality_score": 94,
            "word_extent": [
              5,
              6
            ],
            "sound_most_like": "t"
          },
          {
            "phone": "s",
            "stress_level": null,
            "extent": [
              76,
              84
            ],
            "quality_score": 99.25,
            "word_extent": [
              6,
              7
            ],
            "sound_most_like": "s"
          }
        ],
        "syllable_score_list": [
          {
            "phone_count": 2,
            "stress_level": 1,
            "letters": "pa",
            "quality_score": 100,
            "stress_score": 100,
            "predicted_stress_level": 1,
            "extent": [
              42,
              57
            ]
          },
          {
            "phone_count": 5,
            "stress_level": 0,
            "letters": "rents",
            "quality_score": 99,
            "stress_score": 100,
            "predicted_stress_level": 0,
            "extent": [
              57,
              84
            ]
          }
        ]
      },
      {
        "word": "admire",
        "quality_score": 99,
        "phone_score_list": [
          {
            "phone": "ah",
            "stress_level": 0,
            "extent": [
              84,
              90
            ],
            "quality_score": 97,
            "stress_score": 100,
            "predicted_stress_level": 0,
            "word_extent": [
              0,
              1
            ],
            "sound_most_like": "ah"
          },
          {
            "phone": "d",
            "stress_level": null,
            "extent": [
              90,
              93
            ],
            "quality_score": 100,
            "word_extent": [
              1,
              2
            ],
            "sound_most_like": "d"
          },
          {
            "phone": "m",
            "stress_level": null,
            "extent": [
              93,
              102
            ],
            "quality_score": 100,
            "word_extent": [
              2,
              3
            ],
            "sound_most_like": "m"
          },
          {
            "phone": "ay",
            "stress_level": 1,
            "extent": [
              102,
              117
            ],
            "quality_score": 99.8,
            "stress_score": 100,
            "predicted_stress_level": 1,
            "word_extent": [
              3,
              4
            ],
            "sound_most_like": "ay"
          },
          {
            "phone": "er",
            "stress_level": 0,
            "extent": [
              117,
              129
            ],
            "quality_score": 99,
            "stress_score": 100,
            "predicted_stress_level": 0,
            "word_extent": [
              4,
              5
            ],
            "sound_most_like": "er"
          }
        ],
        "syllable_score_list": [
          {
            "phone_count": 2,
            "stress_level": 0,
            "letters": "ad",
            "quality_score": 98,
            "stress_score": 100,
            "predicted_stress_level": 0,
            "extent": [
              84,
              93
            ]
          },
          {
            "phone_count": 2,
            "stress_level": 1,
            "letters": "mi",
            "quality_score": 100,
            "stress_score": 100,
            "predicted_stress_level": 1,
            "extent": [
              93,
              117
            ]
          },
          {
            "phone_count": 1,
            "stress_level": 0,
            "letters": "re",
            "quality_score": 99,
            "stress_score": 100,
            "predicted_stress_level": 0,
            "extent": [
              117,
              129
            ]
          }
        ]
      },
      {
        "word": "famous",
        "quality_score": 98,
        "phone_score_list": [
          {
            "phone": "f",
            "stress_level": null,
            "extent": [
              129,
              141
            ],
            "quality_score": 98.75,
            "word_extent": [
              0,
              1
            ],
            "sound_most_like": "f"
          },
          {
            "phone": "ey",
            "stress_level": 1,
            "extent": [
              141,
              150
            ],
            "quality_score": 100,
            "stress_score": 100,
            "predicted_stress_level": 1,
            "word_extent": [
              1,
              2
            ],
            "sound_most_like": "ey"
          },
          {
            "phone": "m",
            "stress_level": null,
            "extent": [
              150,
              156
            ],
            "quality_score": 100,
            "word_extent": [
              2,
              3
            ],
            "sound_most_like": "m"
          },
          {
            "phone": "ah",
            "stress_level": 0,
            "extent": [
              156,
              162
            ],
            "quality_score": 95.5,
            "stress_score": 100,
            "predicted_stress_level": 0,
            "word_extent": [
              3,
              5
            ],
            "sound_most_like": "ah"
          },
          {
            "phone": "s",
            "stress_level": null,
            "extent": [
              162,
              174
            ],
            "quality_score": 95.5,
            "word_extent": [
              5,
              6
            ],
            "sound_most_like": "s"
          }
        ],
        "syllable_score_list": [
          {
            "phone_count": 2,
            "stress_level": 1,
            "letters": "fa",
            "quality_score": 99,
            "stress_score": 100,
            "predicted_stress_level": 1,
            "extent": [
              129,
              150
            ]
          },
          {
            "phone_count": 3,
            "stress_level": 0,
            "letters": "mous",
            "quality_score": 97,
            "stress_score": 100,
            "predicted_stress_level": 0,
            "extent": [
              150,
              174
            ]
          }
        ]
      },
      {
        "word": "athletes",
        "quality_score": 98,
        "phone_score_list": [
          {
            "phone": "ae",
            "stress_level": 1,
            "extent": [
              174,
              186
            ],
            "quality_score": 100,
            "stress_score": 100,
            "predicted_stress_level": 1,
            "word_extent": [
              0,
              1
            ],
            "sound_most_like": "ae"
          },
          {
            "phone": "th",
            "stress_level": null,
            "extent": [
              186,
              195
            ],
            "quality_score": 96.66666666666667,
            "word_extent": [
              1,
              3
            ],
            "sound_most_like": "th"
          },
          {
            "phone": "l",
            "stress_level": null,
            "extent": [
              195,
              204
            ],
            "quality_score": 99.66666666666667,
            "word_extent": [
              3,
              4
            ],
            "sound_most_like": "l"
          },
          {
            "phone": "iy",
            "stress_level": 2,
            "extent": [
              204,
              213
            ],
            "quality_score": 99.66666666666667,
            "stress_score": 50,
            "predicted_stress_level": 0,
            "word_extent": [
              4,
              5
            ],
            "sound_most_like": "iy"
          },
          {
            "phone": "t",
            "stress_level": null,
            "extent": [
              213,
              219
            ],
            "quality_score": 97.5,
            "word_extent": [
              5,
              6
            ],
            "sound_most_like": "t"
          },
          {
            "phone": "s",
            "stress_level": null,
            "extent": [
              219,
              225
            ],
            "quality_score": 93,
            "word_extent": [
              7,
              8
            ],
            "sound_most_like": "s"
          }
        ],
        "syllable_score_list": [
          {
            "phone_count": 2,
            "stress_level": 1,
            "letters": "ath",
            "quality_score": 98,
            "stress_score": 100,
            "predicted_stress_level": 1,
            "extent": [
              174,
              195
            ]
          },
          {
            "phone_count": 4,
            "stress_level": 2,
            "letters": "letes",
            "quality_score": 97,
            "stress_score": 50,
            "predicted_stress_level": 0,
            "extent": [
              195,
              225
            ]
          }
        ]
      },
      {
        "word": "as",
        "quality_score": 100,
        "phone_score_list": [
          {
            "phone": "eh",
            "stress_level": 1,
            "extent": [
              225,
              234
            ],
            "quality_score": 99.66666666666667,
            "stress_score": 100,
            "predicted_stress_level": 1,
            "word_extent": [
              0,
              1
            ],
            "sound_most_like": "eh"
          },
          {
            "phone": "z",
            "stress_level": null,
            "extent": [
              234,
              240
            ],
            "quality_score": 100,
            "word_extent": [
              1,
              2
            ],
            "sound_most_like": "z"
          }
        ],
        "syllable_score_list": [
          {
            "phone_count": 2,
            "stress_level": 1,
            "letters": "as",
            "quality_score": 100,
            "stress_score": 100,
            "predicted_stress_level": 1,
            "extent": [
              225,
              240
            ]
          }
        ]
      },
      {
        "word": "strong",
        "quality_score": 100,
        "phone_score_list": [
          {
            "phone": "s",
            "stress_level": null,
            "extent": [
              240,
              246
            ],
            "quality_score": 100,
            "word_extent": [
              0,
              1
            ],
            "sound_most_like": "s"
          },
          {
            "phone": "t",
            "stress_level": null,
            "extent": [
              246,
              252
            ],
            "quality_score": 100,
            "word_extent": [
              1,
              2
            ],
            "sound_most_like": "t"
          },
          {
            "phone": "r",
            "stress_level": null,
            "extent": [
              252,
              258
            ],
            "quality_score": 100,
            "word_extent": [
              2,
              3
            ],
            "sound_most_like": "r"
          },
          {
            "phone": "ao",
            "stress_level": 1,
            "extent": [
              258,
              267
            ],
            "quality_score": 99.33333333333333,
            "stress_score": 100,
            "predicted_stress_level": 0,
            "word_extent": [
              3,
              4
            ],
            "sound_most_like": "ao"
          },
          {
            "phone": "ng",
            "stress_level": null,
            "extent": [
              267,
              273
            ],
            "quality_score": 100,
            "word_extent": [
              4,
              6
            ],
            "sound_most_like": "ng"
          }
        ],
        "syllable_score_list": [
          {
            "phone_count": 5,
            "stress_level": 1,
            "letters": "strong",
            "quality_score": 100,
            "stress_score": 100,
            "predicted_stress_level": 0,
            "extent": [
              240,
              273
            ]
          }
        ]
      },
      {
        "word": "role",
        "quality_score": 100,
        "phone_score_list": [
          {
            "phone": "r",
            "stress_level": null,
            "extent": [
              273,
              282
            ],
            "quality_score": 99.66666666666667,
            "word_extent": [
              0,
              1
            ],
            "sound_most_like": "r"
          },
          {
            "phone": "ow",
            "stress_level": 1,
            "extent": [
              282,
              291
            ],
            "quality_score": 100,
            "stress_score": 100,
            "predicted_stress_level": 1,
            "word_extent": [
              1,
              2
            ],
            "sound_most_like": "ow"
          },
          {
            "phone": "l",
            "stress_level": null,
            "extent": [
              291,
              300
            ],
            "quality_score": 100,
            "word_extent": [
              2,
              3
            ],
            "sound_most_like": "l"
          }
        ],
        "syllable_score_list": [
          {
            "phone_count": 3,
            "stress_level": 1,
            "letters": "role",
            "quality_score": 100,
            "stress_score": 100,
            "predicted_stress_level": 1,
            "extent": [
              273,
              300
            ]
          }
        ]
      },
      {
        "word": "models",
        "quality_score": 99,
        "phone_score_list": [
          {
            "phone": "m",
            "stress_level": null,
            "extent": [
              300,
              312
            ],
            "quality_score": 98.25,
            "word_extent": [
              0,
              1
            ],
            "sound_most_like": "m"
          },
          {
            "phone": "aa",
            "stress_level": 1,
            "extent": [
              312,
              321
            ],
            "quality_score": 100,
            "stress_score": 100,
            "predicted_stress_level": 1,
            "word_extent": [
              1,
              2
            ],
            "sound_most_like": "aa"
          },
          {
            "phone": "d",
            "stress_level": null,
            "extent": [
              321,
              327
            ],
            "quality_score": 100,
            "word_extent": [
              2,
              3
            ],
            "sound_most_like": "d"
          },
          {
            "phone": "ah",
            "stress_level": 0,
            "extent": [
              327,
              333
            ],
            "quality_score": 96,
            "stress_score": 100,
            "predicted_stress_level": 0,
            "word_extent": [
              3,
              4
            ],
            "sound_most_like": "ah"
          },
          {
            "phone": "l",
            "stress_level": null,
            "extent": [
              333,
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            ],
            "quality_score": 100,
            "word_extent": [
              4,
              5
            ],
            "sound_most_like": "l"
          },
          {
            "phone": "z",
            "stress_level": null,
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              339,
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            ],
            "quality_score": 100,
            "word_extent": [
              5,
              6
            ],
            "sound_most_like": "z"
          }
        ],
        "ending_punctuation": ",",
        "syllable_score_list": [
          {
            "phone_count": 2,
            "stress_level": 1,
            "letters": "mo",
            "quality_score": 99,
            "stress_score": 100,
            "predicted_stress_level": 1,
            "extent": [
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            ]
          },
          {
            "phone_count": 4,
            "stress_level": 0,
            "letters": "dels",
            "quality_score": 99,
            "stress_score": 100,
            "predicted_stress_level": 0,
            "extent": [
              321,
              354
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          }
        ]
      },
      {
        "word": "so",
        "quality_score": 99,
        "phone_score_list": [
          {
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            "stress_level": null,
            "extent": [
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            "quality_score": 99.33333333333333,
            "word_extent": [
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            "sound_most_like": "s"
          },
          {
            "phone": "ow",
            "stress_level": 1,
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            "quality_score": 99.5,
            "stress_score": 100,
            "predicted_stress_level": 1,
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              1,
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            ],
            "sound_most_like": "ow"
          }
        ],
        "syllable_score_list": [
          {
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          }
        ]
      },
      {
        "word": "they",
        "quality_score": 99,
        "phone_score_list": [
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            "sound_most_like": "dh"
          },
          {
            "phone": "ey",
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            "quality_score": 98.33333333333333,
            "stress_score": 100,
            "predicted_stress_level": 0,
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              2,
              4
            ],
            "sound_most_like": "ey"
          }
        ],
        "syllable_score_list": [
          {
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          }
        ]
      },
      {
        "word": "name",
        "quality_score": 99,
        "phone_score_list": [
          {
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            "stress_level": null,
            "extent": [
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            "quality_score": 100,
            "word_extent": [
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              1
            ],
            "sound_most_like": "n"
          },
          {
            "phone": "ey",
            "stress_level": 1,
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            "quality_score": 99.66666666666667,
            "stress_score": 100,
            "predicted_stress_level": 1,
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              1,
              2
            ],
            "sound_most_like": "ey"
          },
          {
            "phone": "m",
            "stress_level": null,
            "extent": [
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            "quality_score": 98,
            "word_extent": [
              2,
              3
            ],
            "sound_most_like": "m"
          }
        ],
        "syllable_score_list": [
          {
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            "stress_level": 1,
            "letters": "name",
            "quality_score": 99,
            "stress_score": 100,
            "predicted_stress_level": 1,
            "extent": [
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          }
        ]
      },
      {
        "word": "their",
        "quality_score": 99,
        "phone_score_list": [
          {
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            "stress_level": null,
            "extent": [
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            "quality_score": 100,
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            ],
            "sound_most_like": "dh"
          },
          {
            "phone": "eh",
            "stress_level": 1,
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              459,
              465
            ],
            "quality_score": 100,
            "stress_score": 100,
            "predicted_stress_level": 1,
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              2,
              3
            ],
            "sound_most_like": "eh"
          },
          {
            "phone": "r",
            "stress_level": null,
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            "quality_score": 96,
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            "sound_most_like": "r"
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        ],
        "syllable_score_list": [
          {
            "phone_count": 3,
            "stress_level": 1,
            "letters": "their",
            "quality_score": 99,
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            "extent": [
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          }
        ]
      },
      {
        "word": "children",
        "quality_score": 98,
        "phone_score_list": [
          {
            "phone": "ch",
            "stress_level": null,
            "extent": [
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            "quality_score": 97.6,
            "word_extent": [
              0,
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            "sound_most_like": "ch"
          },
          {
            "phone": "ih",
            "stress_level": 1,
            "extent": [
              483,
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            ],
            "quality_score": 99,
            "stress_score": 100,
            "predicted_stress_level": 1,
            "word_extent": [
              2,
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            ],
            "sound_most_like": "ih"
          },
          {
            "phone": "l",
            "stress_level": null,
            "extent": [
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            "quality_score": 100,
            "word_extent": [
              3,
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            ],
            "sound_most_like": "l"
          },
          {
            "phone": "d",
            "stress_level": null,
            "extent": [
              495,
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            ],
            "quality_score": 100,
            "word_extent": [
              4,
              5
            ],
            "sound_most_like": "d"
          },
          {
            "phone": "r",
            "stress_level": null,
            "extent": [
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            "quality_score": 95.66666666666667,
            "word_extent": [
              5,
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            ],
            "sound_most_like": "r"
          },
          {
            "phone": "ah",
            "stress_level": 0,
            "extent": [
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            ],
            "quality_score": 100,
            "stress_score": 100,
            "predicted_stress_level": 0,
            "word_extent": [
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            "sound_most_like": "ah"
          },
          {
            "phone": "n",
            "stress_level": null,
            "extent": [
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            "quality_score": 96.66666666666667,
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            "sound_most_like": "n"
          }
        ],
        "syllable_score_list": [
          {
            "phone_count": 3,
            "stress_level": 1,
            "letters": "chil",
            "quality_score": 99,
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            "predicted_stress_level": 1,
            "extent": [
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              495
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          },
          {
            "phone_count": 4,
            "stress_level": 0,
            "letters": "dren",
            "quality_score": 98,
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            "predicted_stress_level": 0,
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          }
        ]
      },
      {
        "word": "after",
        "quality_score": 100,
        "phone_score_list": [
          {
            "phone": "ae",
            "stress_level": 1,
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            "quality_score": 99.75,
            "stress_score": 100,
            "predicted_stress_level": 2,
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            "sound_most_like": "ae"
          },
          {
            "phone": "f",
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            "quality_score": 100,
            "word_extent": [
              1,
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            ],
            "sound_most_like": "f"
          },
          {
            "phone": "t",
            "stress_level": null,
            "extent": [
              540,
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            ],
            "quality_score": 100,
            "word_extent": [
              2,
              3
            ],
            "sound_most_like": "t"
          },
          {
            "phone": "er",
            "stress_level": 0,
            "extent": [
              546,
              549
            ],
            "quality_score": 100,
            "stress_score": 100,
            "predicted_stress_level": 0,
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              3,
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            ],
            "sound_most_like": "er"
          }
        ],
        "syllable_score_list": [
          {
            "phone_count": 2,
            "stress_level": 1,
            "letters": "af",
            "quality_score": 100,
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            "predicted_stress_level": 2,
            "extent": [
              519,
              540
            ]
          },
          {
            "phone_count": 2,
            "stress_level": 0,
            "letters": "ter",
            "quality_score": 100,
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            "predicted_stress_level": 0,
            "extent": [
              540,
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          }
        ]
      },
      {
        "word": "them",
        "quality_score": 100,
        "phone_score_list": [
          {
            "phone": "dh",
            "stress_level": null,
            "extent": [
              549,
              555
            ],
            "quality_score": 100,
            "word_extent": [
              0,
              2
            ],
            "sound_most_like": "dh"
          },
          {
            "phone": "eh",
            "stress_level": 1,
            "extent": [
              555,
              564
            ],
            "quality_score": 100,
            "stress_score": 100,
            "predicted_stress_level": 1,
            "word_extent": [
              2,
              3
            ],
            "sound_most_like": "eh"
          },
          {
            "phone": "m",
            "stress_level": null,
            "extent": [
              564,
              582
            ],
            "quality_score": 100,
            "word_extent": [
              3,
              4
            ],
            "sound_most_like": "m"
          }
        ],
        "ending_punctuation": ".",
        "syllable_score_list": [
          {
            "phone_count": 3,
            "stress_level": 1,
            "letters": "them",
            "quality_score": 100,
            "stress_score": 100,
            "predicted_stress_level": 1,
            "extent": [
              549,
              582
            ]
          }
        ]
      }
    ],
    "ielts_score": {
      "pronunciation": 9
    },
    "pte_score": {
      "pronunciation": 90
    },
    "speechace_score": {
      "pronunciation": 99
    },
    "toeic_score": {
      "pronunciation": 200
    },
    "cefr_score": {
      "pronunciation": "C2"
    }
  },
  "version": "9.3"
}

API issued by Speechace.

This is the in which the speaker will be assessed.

A word, phrase, or sentence to score. This should be in the chosen. For example, if fr-fr is the chosen dialect, then the word can be Salut.

Optional: include_fluency= 1 to include fluency scoring in the response. See this for how to use this field.

Optional: include_intonation= 1 to include intonation and stress-level scores. See this for how to use this field.

See this for how to use this field.

Score a word or sentence
region
https://api.speechace.co
https://api.speechace.co/api/scoring/text/v9/json
key
dialect
dialect
guide
guide
guide