openapi: 3.1.0 info: title: ServiceTitan Accounting Adjustments Projects API description: 'The Accounting API manages invoices, invoice items, AP credits, payments, payment terms, payment types, journal entries, journal entry details, tax zones, and GL accounts. Tenant-scoped; OAuth 2.0 + App Key. Integrates with QuickBooks, Sage Intacct, and Acumatica. ' version: 2.0.0 contact: name: ServiceTitan Developer Support url: https://developer.servicetitan.io/ email: integrations@servicetitan.com license: name: ServiceTitan Terms of Service url: https://www.servicetitan.com/legal/terms-of-service servers: - url: https://api.servicetitan.io/accounting/v2/{tenant} description: Production variables: tenant: default: '0000000' - url: https://api-integration.servicetitan.io/accounting/v2/{tenant} description: Integration (Sandbox) variables: tenant: default: '0000000' security: - OAuth2: [] AppKey: [] tags: - name: Projects description: Multi-job projects paths: /projects: get: summary: List Projects operationId: listProjects tags: - Projects parameters: - $ref: '#/components/parameters/Page' - $ref: '#/components/parameters/PageSize' - $ref: '#/components/parameters/ModifiedOnOrAfter' responses: '200': description: Paginated list of projects content: application/json: schema: $ref: '#/components/schemas/ProjectPagedResponse' post: summary: Create Project operationId: createProject tags: - Projects requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/ProjectCreateRequest' responses: '200': description: Created project content: application/json: schema: $ref: '#/components/schemas/Project' /projects/{id}: get: summary: Get Project operationId: getProject tags: - Projects parameters: - $ref: '#/components/parameters/Id' responses: '200': description: Project record content: application/json: schema: $ref: '#/components/schemas/Project' components: schemas: Project: type: object properties: id: type: integer format: int64 number: type: string name: type: string summary: type: string status: type: string statusId: type: integer nullable: true substatusId: type: integer nullable: true customerId: type: integer locationId: type: integer projectManagerIds: type: array items: type: integer businessUnitIds: type: array items: type: integer startDate: type: string format: date nullable: true targetCompletionDate: type: string format: date nullable: true actualCompletionDate: type: string format: date nullable: true modifiedOn: type: string format: date-time ProjectPagedResponse: type: object properties: data: type: array items: $ref: '#/components/schemas/Project' ProjectCreateRequest: type: object required: - customerId - locationId properties: name: type: string summary: type: string customerId: type: integer locationId: type: integer projectManagerIds: type: array items: type: integer startDate: type: string format: date targetCompletionDate: type: string format: date parameters: Id: name: id in: path required: true schema: type: integer format: int64 PageSize: name: pageSize in: query schema: type: integer default: 50 maximum: 500 Page: name: page in: query schema: type: integer default: 1 ModifiedOnOrAfter: name: modifiedOnOrAfter in: query schema: type: string format: date-time securitySchemes: OAuth2: type: oauth2 flows: clientCredentials: tokenUrl: https://auth.servicetitan.io/connect/token scopes: {} AppKey: type: apiKey in: header name: ST-App-Key