> ## Documentation Index > Fetch the complete documentation index at: https://docs.sigmora.org/llms.txt > Use this file to discover all available pages before exploring further. # Create proposal > Create a costed, version-pinned workflow proposal. ## OpenAPI ````yaml /openapi.json post /v1/workflow/proposals openapi: 3.1.0 info: title: Sigmora API version: 1.0.0 description: >- The priced, versioned public API. Every call authenticates with a workspace API key (`Authorization: Bearer sk_live_…`), names the project it files its output under, and reports what it cost. `GET /v1/capabilities` answers what this deployment can serve right now and at what price; anything it reports as unavailable answers 503 `capability_unavailable` rather than 404. servers: - url: https://api.sigmora.org security: - bearerAuth: [] tags: - name: Meta description: What this deployment serves, what it costs, and what you have spent. - name: Projects description: The container every capability files its output under. - name: Sessions description: Durable bindings between an external harness session and one project. - name: Assets description: 'Project media: direct-to-storage uploads, imports, ingest and transcripts.' - name: Jobs description: Where every asynchronous capability is collected, whatever produced it. - name: Text description: Scripts, research, articles, translation and question sets. - name: Video description: Narrated renders, footage edits, shorts and moment selection. - name: UGC description: >- Creator-led vertical videos: AI creators, their faces and voices, frames and clips. - name: Editing description: >- Sigma, the editor: conversational turns, granular transcript edits, approvals. - name: 3D description: Animated 3D renders from a description or a photograph. - name: Image description: Thumbnails, sized for the platform they are posted to. - name: Audio description: Generated music and audio engineering in Audiotool projects. - name: Publishing description: Connected destinations and queued posts. - name: Webhooks description: Signed, at-least-once delivery of job and publishing events. - name: Workflows description: Context snapshots, versioned recipes, costed proposals and their runs. - name: Agents description: Describe an outcome and let a bounded plan of capabilities run. - name: Research description: >- Observed hooks, creator outliers and production briefs from saved analyses. - name: Themes description: The canonical content taxonomy, and the niche profiles built on it. - name: Signals description: Evidence-backed trends and scored viral content. - name: Discovery description: Compiled watch plans, their runs, and source freshness. - name: Watchlist description: 'Accounts you watch: their usual reach and the posts that beat it.' - name: Performance description: Your own channels' videos against their usual, and fixes to live videos. - name: Autopilot description: The durable trend-to-distribution workflow and its checkpoints. - name: Campaigns description: Distribution records shared by the API, the dashboard and autopilot. - name: Brands description: >- Cross-platform identities with their own voice, rules and publishing commitments. - name: Products description: What a campaign promotes. paths: /v1/workflow/proposals: post: tags: - Workflows summary: Create proposal description: Create a costed, version-pinned workflow proposal. operationId: workflow.proposals.create parameters: - name: idempotency-key in: header required: true description: >- Required stable id for this logical write; reuse it after a timeout. Upload endpoints also require the same value in body.idempotencyKey. schema: type: string minLength: 1 maxLength: 255 description: >- Required stable id for this logical write; reuse it after a timeout. Upload endpoints also require the same value in body.idempotencyKey. requestBody: required: true content: application/json: schema: type: object properties: projectId: type: string minLength: 1 maxLength: 200 description: Authorized project where the proposal may run. snapshotId: type: string minLength: 1 maxLength: 200 description: Immutable authorized context snapshot the proposal will use. recipeId: type: string minLength: 1 maxLength: 200 description: Approved workflow recipe to pin for this proposal. recipeVersion: description: >- Immutable recipe revision to use; omit to pin the current approved revision. type: integer exclusiveMinimum: 0 maximum: 9007199254740991 execution: type: object properties: kind: type: string enum: - video.render - video.edit - transcript.export - publish.artifact description: Bounded Sigmora operation this proposal may execute. input: type: object propertyNames: type: string additionalProperties: {} description: >- Operation-specific input map; values must match the chosen execution kind. required: - kind - input additionalProperties: false description: Bounded operation and its validated execution input. usageEstimate: type: object properties: credits: type: integer minimum: 0 maximum: 10000000 description: Estimated total billable credits, rounded to an integer. mediaMinutes: type: number minimum: 0 maximum: 100000 description: Estimated media processing duration in minutes. aiCredits: type: number minimum: 0 maximum: 10000000 description: Estimated AI-model component of the total credit use. required: - credits - mediaMinutes - aiCredits additionalProperties: false description: Caller-visible estimate used for credit and approval review. publishDestinationId: description: >- Approved destination id for publish work, or null when the proposal does not publish. anyOf: - type: string minLength: 1 maxLength: 200 - type: 'null' expiresAt: description: Optional RFC 3339 expiry after which approval is refused. type: string format: date-time pattern: >- ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z|([+-](?:[01]\d|2[0-3]):[0-5]\d)))$ required: - projectId - snapshotId - recipeId - execution - usageEstimate additionalProperties: false example: projectId: prj_9x2a4c snapshotId: ctx_2e8b40 recipeId: rcp_5c1d77 execution: kind: video.render input: story: >- A mean tells you where the middle of your data sits; a standard deviation tells you how far a typical point wanders from it. Two classes can share a mean of 70 and still look nothing alike: in one, every score lands between 65 and 75; in the other, half the room scored 40 and half scored 100. The standard deviation is the number that tells those classes apart. videoType: lesson aspect: horizontal usageEstimate: credits: 300 mediaMinutes: 6 aiCredits: 120 publishDestinationId: null responses: '201': description: Success. content: application/json: schema: type: object properties: success: type: boolean const: true proposal: type: object properties: id: type: string minLength: 1 maxLength: 200 required: - id additionalProperties: {} required: - success - proposal additionalProperties: {} '400': description: 'Failure. `code` is one of: invalid_request.' content: application/json: schema: $ref: '#/components/schemas/Error' '401': description: 'Failure. `code` is one of: unauthorized.' content: application/json: schema: $ref: '#/components/schemas/Error' '402': description: 'Failure. `code` is one of: insufficient_credits, budget_capped.' content: application/json: schema: $ref: '#/components/schemas/Error' '403': description: 'Failure. `code` is one of: forbidden, origin_not_allowed.' content: application/json: schema: $ref: '#/components/schemas/Error' '404': description: 'Failure. `code` is one of: not_found.' content: application/json: schema: $ref: '#/components/schemas/Error' '409': description: 'Failure. `code` is one of: conflict.' content: application/json: schema: $ref: '#/components/schemas/Error' '413': description: 'Failure. `code` is one of: payload_too_large.' content: application/json: schema: $ref: '#/components/schemas/Error' '429': description: 'Failure. `code` is one of: rate_limited.' content: application/json: schema: $ref: '#/components/schemas/Error' '500': description: 'Failure. `code` is one of: upstream_error, internal_error.' content: application/json: schema: $ref: '#/components/schemas/Error' '503': description: >- Failure. `code` is one of: capability_unavailable, upstream_unavailable. content: application/json: schema: $ref: '#/components/schemas/Error' components: schemas: Error: type: object required: - success - error - code properties: success: const: false error: type: string description: >- Human-readable. Copy may change between releases — do not match on it. code: type: string enum: - invalid_request - unauthorized - forbidden - origin_not_allowed - not_found - conflict - payload_too_large - insufficient_credits - budget_capped - content_not_cleared - rate_limited - capability_unavailable - upstream_unavailable - upstream_error - internal_error description: Stable machine-readable cause. Branch on this. details: description: Optional structured context, e.g. the credits shortfall. requestId: type: string description: >- Identifies this request in our logs. Include it when you contact support. timestamp: type: string format: date-time description: When the failure was produced. securitySchemes: bearerAuth: type: http scheme: bearer description: A workspace API key. ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.