> ## Documentation Index > Fetch the complete documentation index at: https://interfere.com/docs/llms.txt > Use this file to discover all available pages before exploring further. # Sign source maps > Initializes a source-map upload session and returns its expiry and file inventory. ## OpenAPI ````yaml https://api.interfere.com/openapi.json post /v3/releases/{releaseSlug}/source-maps/sign openapi: 3.0.4 info: title: Interfere API termsOfService: https://interfere.com/legal/terms-of-service contact: email: support@interfere.com name: Interfere Support url: https://interfere.com/~/*/settings/support license: name: All Rights Reserved url: https://interfere.com/legal/terms-of-service description: >- Register builds, ingest telemetry, and inspect application issues. Build operations authenticate with a secret surface key; SDK ingestion uses a publishable surface key. Dashboard operations require a Clerk session, and investigation endpoints require workload identity. Authentication alternatives are listed on each operation. Retry only when the operation contract permits it, preserving the original idempotency key. version: 3.0.0 servers: - url: https://api.interfere.com description: This environment security: [] tags: - name: Releases description: Build registration and source-map uploads - name: Sessions description: Session identity, activity, and events externalDocs: url: https://interfere.com/docs description: Interfere Documentation paths: /v3/releases/{releaseSlug}/source-maps/sign: post: tags: - Releases summary: Sign source maps description: >- Initializes a source-map upload session and returns its expiry and file inventory. operationId: signSourceMapUploads parameters: - schema: pattern: ^rel_.*$ type: string required: true name: releaseSlug in: path requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/SignSourceMapsRequest' responses: '200': description: Upload session expiry and file inventory content: application/json: schema: $ref: '#/components/schemas/SourceMapUploadSessionResponse' '401': description: Missing or invalid secret key content: application/json: schema: $ref: '#/components/schemas/ApiKeyAuthProblem' '403': description: Secret key lacks the required scope or its network is blocked content: application/json: schema: $ref: '#/components/schemas/ApiKeyScopeProblem' '409': description: Release already has different source maps content: application/json: schema: properties: code: enum: - RELEASE_UPLOAD_CONFLICT type: string message: type: string service: enum: - collector - gateway - operation - intelligence - frontier-auth - frontier-drain - frontier-runtime - frontier-buildtime - api-tinybird - api-findings - api-updates type: string required: - code type: object '413': description: Source maps exceed the total release size limit content: application/json: schema: properties: code: enum: - RELEASE_SIGN_BATCH_TOO_LARGE type: string message: type: string service: enum: - collector - gateway - operation - intelligence - frontier-auth - frontier-drain - frontier-runtime - frontier-buildtime - api-tinybird - api-findings - api-updates type: string required: - code type: object '422': description: The sign request was rejected content: application/json: schema: $ref: '#/components/schemas/SignSourceMapsProblem' '429': description: Upload capacity is unavailable headers: Retry-After: schema: description: Seconds to wait before retrying type: string required: true description: Seconds to wait before retrying content: application/json: schema: properties: code: enum: - INGEST_BACKPRESSURE type: string message: type: string service: enum: - collector - gateway - operation - intelligence - frontier-auth - frontier-drain - frontier-runtime - frontier-buildtime - api-tinybird - api-findings - api-updates type: string required: - code type: object '503': description: >- A dependency failed while recording the release; retry with backoff after the Retry-After delay headers: Retry-After: schema: description: Seconds to wait before retrying type: string required: true description: Seconds to wait before retrying content: application/json: schema: $ref: '#/components/schemas/ReleaseUnavailableProblem' security: - apiKey: [] - apiKeyHeader: [] components: schemas: SignSourceMapsRequest: properties: files: items: $ref: '#/components/schemas/SignSourceMapFile' type: array required: - files description: >- Initializes an upload session with the file inventory and declared sizes. Upload each file through the source-map endpoint using ordered byte offsets, then finalize the complete batch before the session expires. type: object SourceMapUploadSessionResponse: properties: expiresAt: type: integer uploads: items: properties: path: type: string required: - path type: object type: array required: - expiresAt - uploads type: object ApiKeyAuthProblem: properties: code: enum: - AUTH_MISSING - AUTH_AK_INVALID type: string message: type: string service: enum: - collector - gateway - operation - intelligence - frontier-auth - frontier-drain - frontier-runtime - frontier-buildtime - api-tinybird - api-findings - api-updates type: string required: - code type: object ApiKeyScopeProblem: anyOf: - properties: code: enum: - AUTH_AK_SCOPE_MISMATCH type: string message: type: string service: enum: - collector - gateway - operation - intelligence - frontier-auth - frontier-drain - frontier-runtime - frontier-buildtime - api-tinybird - api-findings - api-updates type: string required: - code type: object - properties: code: enum: - NETWORK_ACCESS_DENIED type: string message: type: string service: enum: - collector - gateway - operation - intelligence - frontier-auth - frontier-drain - frontier-runtime - frontier-buildtime - api-tinybird - api-findings - api-updates type: string required: - code type: object SignSourceMapsProblem: properties: code: enum: - RELEASE_NOT_FOUND - RELEASE_SIGN_EMPTY - RELEASE_SIGN_TOO_MANY_FILES - RELEASE_SIGN_FILE_TOO_LARGE - RELEASE_SIGN_DUPLICATE_PATH - RELEASE_UPLOAD_INVALID type: string message: type: string service: enum: - collector - gateway - operation - intelligence - frontier-auth - frontier-drain - frontier-runtime - frontier-buildtime - api-tinybird - api-findings - api-updates type: string required: - code type: object ReleaseUnavailableProblem: anyOf: - properties: code: enum: - INGEST_INFRA_UNAVAILABLE type: string message: type: string service: enum: - collector - gateway - operation - intelligence - frontier-auth - frontier-drain - frontier-runtime - frontier-buildtime - api-tinybird - api-findings - api-updates type: string required: - code type: object - properties: code: enum: - NETWORK_ACCESS_UNAVAILABLE type: string message: type: string service: enum: - collector - gateway - operation - intelligence - frontier-auth - frontier-drain - frontier-runtime - frontier-buildtime - api-tinybird - api-findings - api-updates type: string required: - code type: object SignSourceMapFile: properties: hasFile: type: boolean hasNames: type: boolean hasSourcesContent: type: boolean mappingsPresent: type: boolean path: minLength: 1 type: string sizeBytes: minimum: 0 type: integer required: - hasFile - hasNames - hasSourcesContent - mappingsPresent - path - sizeBytes description: SignSourceMapFile type: object securitySchemes: apiKey: description: >- Build-time secret key of the surface, as issued in the Interfere dashboard scheme: bearer type: http apiKeyHeader: description: >- Build-time secret key of the surface, unwrapped; for clients that cannot set an Authorization header in: header name: x-api-key type: apiKey ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.