Set the video poster
const url = 'https://api.braiv.co/v1/videos/vid_01JZ8M6A/poster';const options = { method: 'POST', headers: { 'Idempotency-Key': 'import-launch-demo-20260901', Authorization: 'Bearer <token>', 'Content-Type': 'application/json' }, body: '{"imageUrl":"https://cdn.example.com/cover.jpg"}'};
try { const response = await fetch(url, options); const data = await response.json(); console.log(data);} catch (error) { console.error(error);}curl --request POST \ --url https://api.braiv.co/v1/videos/vid_01JZ8M6A/poster \ --header 'Authorization: Bearer <token>' \ --header 'Content-Type: application/json' \ --header 'Idempotency-Key: import-launch-demo-20260901' \ --data '{ "imageUrl": "https://cdn.example.com/cover.jpg" }'Replaces the library video’s primary poster (posterUrl on GET video)
with a customer image. JSON imageUrl (https) is the MCP-friendly
path. Multipart file (or image) also works. JPEG, PNG, or WebP,
8MB max. This is not an AI generation job.
Required scope: thumbnails:write.
Authorizations
Section titled “Authorizations ”Parameters
Section titled “ Parameters ”Path Parameters
Section titled “Path Parameters ”Braiv library video document ID.
Example
vid_01JZ8M6AHeader Parameters
Section titled “Header Parameters ”Caller-generated key for safe POST retries. The API retains the first
JSON response for 24 hours. Reusing a key with another path or body
returns 409 IDEMPOTENCY_REPLAY.
Example
import-launch-demo-20260901Request Body required
Section titled “Request Body required ”object
Https URL of a JPEG
Example
{ "imageUrl": "https://cdn.example.com/cover.jpg"}object
JPEG
Alias for file.
Https image URL when no file is sent.
Responses
Section titled “ Responses ”Poster replaced.
object
Library video id.
New primary poster URL.
Example
{ "videoId": "vid_abc", "posterUrl": "https://cdn.braiv.co/custom-poster.jpg"}Request fields are missing, malformed, out of bounds, or mutually inconsistent.
object
Structured public API error envelope.
object
Stable machine-readable error code.
Human-readable error summary.
Machine-readable operation-specific context; empty when unavailable.
object
Example
{ "error": { "code": "INVALID_ARGUMENT", "message": "The request contains invalid or missing fields.", "details": {} }}A supported authentication header is missing or contains an invalid Public API key.
object
Structured public API error envelope.
object
Stable machine-readable error code.
Human-readable error summary.
Machine-readable operation-specific context; empty when unavailable.
object
Examples
Authentication header missing
{ "error": { "code": "UNAUTHENTICATED", "message": "Missing API key.", "details": {} }}API key invalid
{ "error": { "code": "INVALID_API_KEY", "message": "Invalid API key", "details": {} }}Authentication succeeded, but the required scope, workspace role, or resource permission is missing.
object
Structured public API error envelope.
object
Stable machine-readable error code.
Human-readable error summary.
Machine-readable operation-specific context; empty when unavailable.
object
Examples
{ "error": { "code": "INSUFFICIENT_SCOPE", "message": "The API key lacks the required scope.", "details": {} }}The resource does not exist or is not accessible to the caller.
object
Structured public API error envelope.
object
Stable machine-readable error code.
Human-readable error summary.
Machine-readable operation-specific context; empty when unavailable.
object
Example
{ "error": { "code": "NOT_FOUND", "message": "Resource not found.", "details": {} }}The Idempotency-Key was reused with a different path or request body.
object
Structured public API error envelope.
object
Stable machine-readable error code.
Human-readable error summary.
Machine-readable operation-specific context; empty when unavailable.
object
Example
{ "error": { "code": "IDEMPOTENCY_REPLAY", "message": "Idempotency-Key was reused with a different request.", "details": { "pathMatch": true, "hashMatch": false } }}Request fields are missing, malformed, out of bounds, or mutually inconsistent.
object
Structured public API error envelope.
object
Stable machine-readable error code.
Human-readable error summary.
Machine-readable operation-specific context; empty when unavailable.
object
Example
{ "error": { "code": "INVALID_ARGUMENT", "message": "The request contains invalid or missing fields.", "details": {} }}The API key exceeded its allowed concurrency or request rate. Retry after in-flight work completes or the limit resets.
object
Structured public API error envelope.
object
Stable machine-readable error code.
Human-readable error summary.
Machine-readable operation-specific context; empty when unavailable.
object
Example
{ "error": { "code": "RATE_LIMITED", "message": "API key concurrency limit reached", "details": {} }}An unexpected server error occurred.
object
Structured public API error envelope.
object
Stable machine-readable error code.
Human-readable error summary.
Machine-readable operation-specific context; empty when unavailable.
object
Example
{ "error": { "code": "INTERNAL", "message": "An unexpected error occurred.", "details": {} }}