> ## Documentation Index > Fetch the complete documentation index at: https://www.tella.com/docs/llms.txt > Use this file to discover all available pages before exploring further. # Start a video export > Starts an export of the specified video. Returns the export status including download URL when completed. ## OpenAPI ````yaml /openapi.json post /v1/videos/{id}/exports openapi: 3.0.3 info: description: >- The Tella Public API allows you to programmatically access your videos and playlists, including transcripts, chapters, and thumbnails. ## Authentication All requests require a Bearer token in the Authorization header: ``` Authorization: Bearer tella_pk_xxxxx... ``` API keys can be generated in your Tella workspace settings. ## Rate Limiting The API is rate-limited to 100 requests per minute per organization. Rate limit information is returned in response headers: - `X-RateLimit-Limit`: Maximum requests per window - `X-RateLimit-Remaining`: Remaining requests in current window - `X-RateLimit-Reset`: Unix timestamp when the window resets title: Tella Public API version: 1.0.0 servers: - description: Production url: https://api.tella.com security: [] tags: - description: Video operations name: Videos - description: Sections of a video name: Clips - description: Playlist operations name: Playlists - description: Sidebar groups for organizing playlists name: Playlist Groups - description: Tags for categorizing and filtering videos name: Tags - description: Webhook endpoint management name: Webhooks paths: /v1/videos/{id}/exports: post: tags: - Videos summary: Start a video export description: >- Starts an export of the specified video. Returns the export status including download URL when completed. operationId: exportVideo parameters: - description: Unique video identifier in: path name: id required: true schema: description: Unique video identifier example: vid_abc123def456 type: string requestBody: content: application/json: schema: $ref: '#/components/schemas/ExportVideoRequest' required: true responses: '200': content: application/json: schema: $ref: '#/components/schemas/ExportVideoResponse' description: OK '400': content: application/json: example: error: code: bad_request doc_url: https://tella.tv/docs/api-reference/errors#bad-request message: The request was malformed or contained invalid parameters. schema: $ref: '#/components/schemas/ErrorResponse' description: The request was malformed or contained invalid parameters. '401': content: application/json: example: error: code: unauthorized doc_url: https://tella.tv/docs/api-reference/errors#unauthorized message: Authentication is required. Provide a valid API key. schema: $ref: '#/components/schemas/ErrorResponse' description: Authentication is required. Provide a valid API key. '403': content: application/json: example: error: code: forbidden doc_url: https://tella.tv/docs/api-reference/errors#forbidden message: You don't have permission to access this resource. schema: $ref: '#/components/schemas/ErrorResponse' description: You don't have permission to access this resource. '404': content: application/json: example: error: code: not_found doc_url: https://tella.tv/docs/api-reference/errors#not-found message: The requested resource was not found. schema: $ref: '#/components/schemas/ErrorResponse' description: The requested resource was not found. '422': content: application/json: example: error: code: unprocessable_entity doc_url: >- https://tella.tv/docs/api-reference/errors#unprocessable-entity message: The request was well-formed but contained semantic errors. schema: $ref: '#/components/schemas/ErrorResponse' description: The request was well-formed but contained semantic errors. '429': content: application/json: example: error: code: rate_limit_exceeded doc_url: >- https://tella.tv/docs/api-reference/errors#rate-limit-exceeded message: You have exceeded the rate limit. Please slow down. schema: $ref: '#/components/schemas/ErrorResponse' description: You have exceeded the rate limit. Please slow down. '500': content: application/json: example: error: code: internal_server_error doc_url: >- https://tella.tv/docs/api-reference/errors#internal-server-error message: An unexpected error occurred on the server. schema: $ref: '#/components/schemas/ErrorResponse' description: An unexpected error occurred on the server. security: - BearerAuth: [] components: schemas: ExportVideoRequest: additionalProperties: false description: Request body for exporting a video properties: fps: description: Frames per second. 60fps may require paid plan. enum: - '30' - '60' example: '30' type: string granularity: description: >- Export granularity: video (full video), clips (one file per clip), raw (original uploads) enum: - video - clips - raw example: video type: string resolution: description: Export resolution. Default is 1080p. enum: - 1080p - 4k example: 1080p type: string speed: description: Playback speed multiplier enum: - '1' - '2' - '0.5' - '0.75' - '1.25' - '1.5' - '1.75' example: '1' type: string subtitles: description: Burn subtitles into the video example: false type: boolean type: object ExportVideoResponse: additionalProperties: false description: Response containing export status properties: export: $ref: '#/components/schemas/ExportStatus' required: - export type: object ErrorResponse: additionalProperties: false description: Standard error response format properties: error: additionalProperties: false description: Error details properties: code: description: Machine-readable error code enum: - bad_request - unauthorized - forbidden - not_found - unprocessable_entity - rate_limit_exceeded - internal_server_error example: not_found type: string doc_url: description: Link to documentation for this error example: https://tella.tv/docs/api-reference/errors#not-found format: uri type: string message: description: Human-readable error message example: The requested resource was not found. type: string required: - code - message - doc_url type: object required: - error type: object ExportStatus: additionalProperties: false description: Status of a video export job properties: downloadUrl: description: Download URL when export is completed, null otherwise example: https://cdn.tella.tv/exports/vid_abc123/video.mp4 format: uri nullable: true type: string exportId: description: Unique identifier for the export job example: exp_abc123def456 type: string progress: description: Export progress percentage (0-100), null if not started example: 100 maximum: 100 minimum: 0 nullable: true type: number status: description: Current export status enum: - queued - running - completed - failed example: completed type: string updatedAt: description: ISO 8601 datetime of last status update example: '2024-01-15T15:00:00.000Z' format: date-time type: string required: - exportId - status - progress - downloadUrl - updatedAt type: object securitySchemes: BearerAuth: description: API key obtained from your Tella account settings scheme: bearer type: http ````