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Kensho Scribe Batch API v2

Asynchronous audio and video transcription REST API. POST a media file to start a transcription job, then poll the transcription ID for completion. Optimised for finance and business audio (earnings calls, conferences). Companion real-time WebSocket API and Human-in-the-Loop batch option are documented alongside.

Kensho Scribe Batch API v2 is one of 9 APIs that S&P Global publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Speech to Text, Transcription, Audio, Video, and Batch. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, authentication docs, and a JSON-LD context.

This API exposes 7 operations across 3 paths, and defines 14 schemas. It is described by OpenAPI 3.0.2, at version 3.0.0.

Requests are made against a single base URL, https://scribe.kensho.com.

7 operations 3 paths 14 schemas 2 DELETE2 GET1 HEAD2 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.0.2
API Version
3.0.0
Base URL
https://scribe.kensho.com
Authentication
HTTP Bearer
Resource Areas
1

Authentication & Security 1

Kensho Scribe Batch API v2 declares 1 security scheme for authenticating requests. It accepts HTTP bearer tokens (JWT) (bearerAuth).

Paths & Operations 7

Across 3 paths, the API surfaces 7 operations — 2 DELETE, 2 GET, 1 HEAD, 2 POST. Each is listed below with its method, path, parameters, and response codes.

Transcription 7
GET
/api/v1/transcription
Query A Transcription Job
queryTranscription 2 params → 200400403404429500
POST
/api/v1/transcription
Start A Transcription Job
startTranscription 1 param body → 200400403429
DELETE
/api/v1/transcription
Delete A Transcription Job
deleteTranscription 2 params → 200400403409
POST
/api/v2/transcription
Start A New Transcription
startTranscription body → 201400401404429
HEAD
/api/v2/transcription/{transcription_id}
Query a transcription by ID
queryTranscription 1 param → 200202400401404406429
GET
/api/v2/transcription/{transcription_id}
Download A Transcription By ID
downloadTranscription 1 param → 200202400401404406429
DELETE
/api/v2/transcription/{transcription_id}
Delete All Transcription Data By ID
deleteTranscription 1 param → 200400401429

Schemas 14

The contract defines 14 schemas that model the data the API accepts and returns. The most detailed are sliceMeta (7 properties), commonOptions (5 properties), TokenMeta (5 properties), tokenMeta (5 properties). Each schema is shown below with its type and property counts.

vttTranscript
string
Transcribed video text tracks
commonOptions
object
5 properties
callback
object
2 properties 2 required
jsonTranscript
object
A structured output of the transcript - ideal for programmatic or custom uses of transcriptions
3 properties
sliceMeta
object
A single slice of transcribed audio
7 properties
tokenMeta
object
A single transcribed token
5 properties
SliceMeta
object
A single slice of transcribed audio
5 properties
Transcript
object
A fully specified transcript with timing information
3 properties
mpfdOptions
object
2 properties 1 required
PollTranscriptionResponse
object
Returned type from polling a transcription
4 properties
error
object
2 properties
jsonOptions
TokenMeta
object
A single transcribed token
5 properties
transcriptionId
object
1 property 1 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

sp-global-transcription-api-openapi.yml Raw ↑

Other APIs S&P Global publishes across the network.

S&P Global LLM-Ready API (kFinance)
Kensho Extract API
Kensho NERD API
Kensho Scribe Real Time API
Kensho Scribe Batch API v1
Kensho Grounding Agent (Alpha)
S&P Capital IQ Pro
S&P Global Marketplace