> ## Documentation Index > Fetch the complete documentation index at: https://docs.sapt.ai/llms.txt > Use this file to discover all available pages before exploring further. # List object types > List the CRM object types defined for this project, including spine-linking metadata such as linksToPerson and identityFields. ## OpenAPI ````yaml https://api.sapt.ai/openapi.json get /projects/{projectId}/object-types openapi: 3.1.0 info: title: Sapt Platform API version: 1.0.0 description: >- API for Sapt platform - project management, authentication, and email services servers: - url: https://api.sapt.ai description: Production - url: http://localhost:8787 description: Local development security: [] tags: - name: Accounts description: >- The social accounts connected to a project. Start here — the `id` of an account is the `socialAccountId` that every posting, scheduling and analytics call takes. - name: Actions - name: Ads - name: Agents - name: Analytics description: >- Account- and post-level organic performance for connected Instagram and Facebook accounts. - name: Assets - name: Auth - name: CMS - name: CRM - name: Calendar - name: Comments description: >- Read, reply to, hide and delete comments on published Instagram and Facebook posts. - name: Content Calendar description: >- Create, schedule, update and publish organic posts, and stage the media they carry. Publishing a post whose status is `failed` retries it. - name: Contracts - name: Conversions description: >- Meta server-side Conversions API (CAPI): discover pixels, connect a pixel + CAPI token, and send deduped server-side conversions. - name: Dashboard Sidebar - name: Emails - name: Engagement description: >- Act as the Page or account on published posts: comment, like, unlike, and delete a published post. - name: Geo - name: Google Ads - name: Google Analytics - name: Google Business - name: Integrations description: >- Connect third-party providers (Meta, Gmail, Google Business Profile, …). List providers, mint OAuth connect links, and poll connection status. - name: Invitations - name: Memory - name: OAuth Clients - name: Project Roles - name: Project Templates - name: Projects - name: Schedules - name: Service Accounts - name: Socials description: >- Organic social: the connected accounts, the content calendar, media staging, publishing, comments and engagement across Instagram, Facebook, TikTok, YouTube and Google Business Profile. - name: Team - name: Users - name: Web Analytics - name: Workflows paths: /projects/{projectId}/object-types: get: tags: - CRM summary: List object types description: >- List the CRM object types defined for this project, including spine-linking metadata such as linksToPerson and identityFields. operationId: listObjectTypes parameters: - schema: type: string format: uuid required: true name: projectId in: path - schema: type: string enum: - 'true' - 'false' required: false name: includeHidden in: query responses: '200': description: Success content: application/json: schema: type: object properties: objectTypes: type: array items: type: object properties: slug: type: string name: type: string description: type: - string - 'null' kind: type: string enum: - system - user icon: type: - string - 'null' color: type: - string - 'null' schema: type: object additionalProperties: type: object properties: label: type: string description: type: string schema: type: object properties: type: type: string enum: - string - number - boolean - object - reference - image - video - document - asset - date - select required: type: boolean multiple: type: object properties: minItems: type: integer minimum: 0 maxItems: type: integer minimum: 0 uniqueItems: type: boolean options: type: object additionalProperties: {} required: - type - options required: - schema statuses: type: - array - 'null' items: type: object properties: key: type: string minLength: 1 maxLength: 40 pattern: ^[a-z][a-z0-9_]*$ label: type: string minLength: 1 maxLength: 60 color: type: string pattern: ^#[0-9a-fA-F]{6}$ isInitial: type: boolean isTerminal: type: boolean capiStage: type: string enum: - lead - qualified - scheduled - purchased required: - key - label isPublicIngestable: type: boolean isHiddenFromUi: type: boolean linksToPerson: type: boolean description: >- When true, writes for this type auto-attach or create a Person spine record and store its id as personRefId. linksToCompany: type: boolean description: >- Reserved company attribution flag. Use Person spine and declared CRM relations as the stable public model unless company spine support is explicitly documented. identityFields: type: - array - 'null' items: type: string description: >- For the person type, fields used to match the Person spine. For other types, fields used for same-type upsert/dedupe behavior. rejectUnknownFields: type: boolean relations: type: object additionalProperties: type: object properties: relationId: type: string label: type: string targetTypeSlug: type: string multiple: type: boolean required: - relationId - label - targetTypeSlug - multiple createdAt: type: string format: date-time updatedAt: type: string format: date-time required: - slug - name - description - kind - icon - color - schema - statuses - isPublicIngestable - isHiddenFromUi - linksToPerson - linksToCompany - identityFields - rejectUnknownFields - relations - createdAt - updatedAt required: - objectTypes '400': description: Bad request content: application/json: schema: type: object properties: message: type: string description: Error message code: type: string description: Error code for programmatic handling required: - message '403': description: Forbidden content: application/json: schema: type: object properties: message: type: string description: Error message code: type: string description: Error code for programmatic handling required: - message '404': description: Not found content: application/json: schema: type: object properties: message: type: string description: Error message code: type: string description: Error code for programmatic handling required: - message security: - bearerAuth: [] components: securitySchemes: bearerAuth: type: http scheme: bearer bearerFormat: JWT description: >- JWT token obtained from /api/auth/token endpoint. Token is verified using JWKS and must include a valid user identifier. ````