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OpenAPI Specification

openapi: 3.2.0
info:
  title: Yoti Sessions API
  version: '2026-10-14'
  description: 'GENERATED FROM DOCUMENTATION by API Evangelist on 2026-10-14: 7 operation(s) read from 10 public documentation page(s) (each operation names its page in x-source). This is not the provider''s published contract; Yoti has published no machine-readable contract that the pipeline could find. Engine: local.'
  x-evidence-tiers:
    code-example: 3
    documentation: 4
    pages-with-code: 4
    pages-read: 10
  x-generated-from: documentation
  x-provenance: generated
  x-authored-by: API Evangelist
  x-generated: '2026-10-14'
  x-generator: generate-contract-from-docs.py
  x-engine: local
  x-sources:
  - https://developers.yoti.com/proof-of-age-api
  - https://developers.yoti.com/proof-of-age-api.md
  - https://developers.yoti.com/proof-of-age/api-authentication.md
  - https://developers.yoti.com/age-verification/headless-idv-client.md
  - https://developers.yoti.com/proof-of-age-api.md?operation=v1-poa-verify
  - https://developers.yoti.com/age-verification-api.md?operation=post-sessions
  - https://developers.yoti.com/facial-age-estimation-api.md?operation=op-post-aiv1age
  - https://developers.yoti.com/trust-api.md?operation=op-post-accountsaccountidmoderations
  - https://developers.yoti.com/age-verification-api.md?operation=op-get-apiv1sessionssessionid
  - https://developers.yoti.com/facial-age-estimation-api.md?operation=op-post-aiv1antispoofing
servers:
- url: https://auth.api.yoti.com
security:
- OAuth2_Client_Credentials:
  - did:match
  - poa:verify
tags:
- name: Sessions
paths:
  /api/v1/sessions:
    post:
      operationId: post_api_v1_sessions
      tags:
      - Sessions
      summary: Session creation
      description: Create a session that can be used by a consumer, when a session is created, a reference ID can be provided to help you identify your customers.
      x-source: https://developers.yoti.com/age-verification-api.md?operation=post-sessions
      parameters:
      - name: Content-Type
        in: header
        required: true
        schema:
          type: string
        description: Define the expected payload content type (always application/json).
      - name: Yoti-Sdk-Id
        in: header
        required: true
        schema:
          type: string
        description: SDK ID obtained from the Yoti Hub
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PostApiV1SessionsRequest'
      responses:
        '2000':
          description: Success (status as documented)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PostApiV1SessionsResponse'
      x-evidence:
        kind: documentation
  /api/v1/sessions/{sessionid}:
    get:
      operationId: get_api_v1_sessions_sessionid
      tags:
      - Sessions
      summary: GET /api/v1/sessions/{sessionId}
      x-source: https://developers.yoti.com/age-verification/headless-idv-client.md
      parameters:
      - name: sessionid
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Success (shape read from the example response on the page)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GetApiV1SessionsSessionidResponse'
      x-evidence:
        kind: code-example
        language: httpie
        snippet: 'http

          GET https://age.yoti.com/api/v1/sessions/<session-id>/doc-scan'
components:
  schemas:
    PostApiV1SessionsRequest:
      type: object
      properties:
        CreateSession:
          type: string
          description: This payload will generate a session configuration object
      required:
      - CreateSession
    PostApiV1SessionsResponse:
      type: object
      properties:
        '200':
          type: string
          description: OK
        '400':
          type: string
          description: Bad request - missing field, spoofing attempt detected, invalid validation methods, need to re-verify
        '401':
          type: string
          description: Missing or unknown Yoti-Sdk-Id
        '403':
          type: string
          description: Not allowed to use this session
    GetApiV1SessionsSessionidResponse:
      type: object
      properties:
        token:
          type: string
        session_id:
          type: string
  securitySchemes:
    OAuth2_Client_Credentials:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: https://auth.api.yoti.com/v1/oauth/token
          scopes:
            did:match: ''
            poa:verify: ''
      x-source: https://developers.yoti.com/digital-id/did-match-authentication.md