> ## Documentation Index > Fetch the complete documentation index at: https://docs.agentbody.io/llms.txt > Use this file to discover all available pages before exploring further. # Extract an existing TikTok caption track > Use this operation to extract an existing tiktok caption track. Authenticate with Authorization: Bearer . Use this existing-caption operation before any separately billed transcription. A 422 means captions are unavailable; select another resource or obtain explicit approval for an alternative, and do not retry unchanged. Correct a 400 invalid-input error; do not retry unchanged. Retry only declared 502, 503, or 504 responses with backoff. ## OpenAPI ````yaml /api-reference/openapi.json get /v1/tiktok/transcript openapi: 3.1.0 info: description: >- Direct authenticated APIs for public social data, people data, transcripts, documents, text, and SEO. Send an API key as a Bearer token. Responses never include provider credentials or raw provider payloads. license: name: Proprietary url: https://agentbody.io title: AgentBody API version: '2026-08-19' servers: - url: https://api.agentbody.io security: - bearerAuth: [] paths: /v1/tiktok/transcript: get: tags: - tiktok summary: Extract an existing TikTok caption track description: >- Use this operation to extract an existing tiktok caption track. Authenticate with Authorization: Bearer . Use this existing-caption operation before any separately billed transcription. A 422 means captions are unavailable; select another resource or obtain explicit approval for an alternative, and do not retry unchanged. Correct a 400 invalid-input error; do not retry unchanged. Retry only declared 502, 503, or 504 responses with backoff. operationId: get_v1_tiktok_transcript parameters: - $ref: '#/components/parameters/VideoURL' - $ref: '#/components/parameters/Language' responses: '200': $ref: '#/components/responses/TranscriptSuccess' '400': content: application/json: example: error: code: INVALID_ARGUMENT message: example error schema: additionalProperties: false properties: error: additionalProperties: false properties: code: const: INVALID_ARGUMENT type: string message: type: string required: - code - message type: object required: - error type: object description: Correct the input; do not retry unchanged. headers: X-Request-Id: description: Gateway request identifier for support and audit. schema: format: uuid type: string '401': content: application/json: example: error: code: UNAUTHENTICATED message: example error schema: additionalProperties: false properties: error: additionalProperties: false properties: code: const: UNAUTHENTICATED type: string message: type: string required: - code - message type: object required: - error type: object description: Configure a valid API key; do not retry unchanged. headers: X-Request-Id: description: Gateway request identifier for support and audit. schema: format: uuid type: string '422': content: application/json: example: error: code: TRANSCRIPT_UNAVAILABLE message: example error schema: additionalProperties: false properties: error: additionalProperties: false properties: code: const: TRANSCRIPT_UNAVAILABLE type: string message: type: string required: - code - message type: object required: - error type: object description: Caption track unavailable; do not retry unchanged. headers: X-Request-Id: description: Gateway request identifier for support and audit. schema: format: uuid type: string '502': content: application/json: example: error: code: UPSTREAM_INVALID_RESPONSE message: example error schema: additionalProperties: false properties: error: additionalProperties: false properties: code: const: UPSTREAM_INVALID_RESPONSE type: string message: type: string required: - code - message type: object required: - error type: object description: Retry with backoff, then report temporary unavailability. headers: X-Request-Id: description: Gateway request identifier for support and audit. schema: format: uuid type: string '503': content: application/json: example: error: code: UPSTREAM_UNAVAILABLE message: example error schema: additionalProperties: false properties: error: additionalProperties: false properties: code: const: UPSTREAM_UNAVAILABLE type: string message: type: string required: - code - message type: object required: - error type: object description: Retry with backoff, then report temporary unavailability. headers: X-Request-Id: description: Gateway request identifier for support and audit. schema: format: uuid type: string '504': content: application/json: example: error: code: UPSTREAM_TIMEOUT message: example error schema: additionalProperties: false properties: error: additionalProperties: false properties: code: const: UPSTREAM_TIMEOUT type: string message: type: string required: - code - message type: object required: - error type: object description: Retry with backoff, then report temporary unavailability. headers: X-Request-Id: description: Gateway request identifier for support and audit. schema: format: uuid type: string components: parameters: VideoURL: description: >- A publicly reachable HTTPS URL. Do not submit private, authenticated, redirect-only, or user-specific URLs. example: https://www.youtube.com/watch?v=dQw4w9WgXcQ in: query name: url required: true schema: format: uri type: string Language: description: >- Optional BCP 47 language preference, such as en. Omit it to accept the source language. example: en in: query name: language schema: maxLength: 35 type: string responses: TranscriptSuccess: content: application/json: example: caption_type: manual language: example_value segments: [] text: example_value video_id: example_value schema: $ref: '#/components/schemas/TranscriptResult' description: Existing captions or explicitly requested audio transcription. headers: X-Request-Id: description: Gateway request identifier for support and audit. schema: format: uuid type: string schemas: TranscriptResult: additionalProperties: false properties: caption_type: enum: - manual - auto - transcribed type: string language: type: string segments: items: additionalProperties: false properties: end_ms: format: int64 type: integer start_ms: format: int64 type: integer text: type: string required: - start_ms - end_ms - text type: object type: array text: type: string video_id: type: string required: - video_id - language - caption_type - text - segments type: object securitySchemes: bearerAuth: scheme: bearer type: http ````