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OpenAPI Specification

openapi: 3.2.0
info:
  title: Strand AI Platform Jobs Predict API
  version: v1
  description: 'REST surface for uploading WSIs, submitting Lattice inference jobs, and streaming results. All endpoints require an `Authorization: Bearer sk-strand-...` header. Generate keys at `/settings/api-keys`.'
servers:
- url: https://app.strandai.com/api/v1
  description: Production
security:
- ApiKey: []
tags:
- name: Predict
paths:
  /predict/estimate:
    post:
      summary: Estimate credit cost for a prediction
      tags:
      - Predict
      operationId: estimatePrediction
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - uploadId
              - markers
              properties:
                uploadId:
                  type: string
                  format: uuid
                markers:
                  type: array
                  items:
                    type: string
                  minItems: 1
      responses:
        '200':
          description: Estimate
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Estimate'
        '409':
          description: Upload missing dimensions
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
  /predict:
    post:
      summary: Submit a prediction
      description: Reserves credits atomically and enqueues preprocessing. Returns 202 + `jobId`. On insufficient balance returns 402 with rollback. On per-org concurrency cap returns 429 with `Retry-After`.
      tags:
      - Predict
      operationId: submitPrediction
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - uploadId
              - markers
              properties:
                uploadId:
                  type: string
                  format: uuid
                markers:
                  type: array
                  items:
                    type: string
                  minItems: 1
                model:
                  type: string
                  enum:
                  - v0.4
                  - v0.5
                  description: 'Optional explicit Lattice version. `v0.4` is the 192-marker original; `v0.5` is the retrained 192-marker sibling and the current default. Both share GenePT embeddings — the marker vocabulary is identical between them. Omit to let the platform pick (currently `v0.5`). Legacy strings `"v10-fullpanel"` and `"v10-fullpanel-v2"` are still accepted on input and rewritten server-side to `"v0.4"` / `"v0.5"` respectively (with a `Warning: 299` response header); the legacy alias path is undocumented and will be removed on 2026-12-01. The `"v10"` alias resolved to the now-sunset v0.3 and is rejected with 400 `unknown_model`.'
      responses:
        '202':
          description: Job accepted and credits reserved
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Submission'
        '402':
          description: Insufficient credits
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '409':
          description: Upload not ready
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '429':
          description: Per-org concurrent job cap exceeded
          headers:
            Retry-After:
              schema:
                type: integer
              description: Seconds to wait before retrying
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
components:
  schemas:
    Submission:
      type: object
      required:
      - jobId
      - reservedCredits
      - status
      properties:
        jobId:
          type: string
          format: uuid
        reservedCredits:
          type: integer
        status:
          type: string
          enum:
          - queued
    Error:
      type: object
      required:
      - error
      - message
      properties:
        error:
          type: string
        message:
          type: string
        required:
          type: integer
          nullable: true
    Estimate:
      type: object
      required:
      - patchCount
      - markerCount
      - estimatedCredits
      - orgBalance
      properties:
        patchCount:
          type: integer
        markerCount:
          type: integer
        estimatedCredits:
          type: integer
        orgBalance:
          type: integer
        orgPending:
          type: integer
  securitySchemes:
    ApiKey:
      type: http
      scheme: bearer
      bearerFormat: sk-strand-XXXXXXXXXXXXXXXXXXXXXXXX