> ## Documentation Index > Fetch the complete documentation index at: https://docs.grainledger.com/llms.txt > Use this file to discover all available pages before exploring further. # Delete an attachment ## OpenAPI ````yaml /openapi.json delete /api/v1/transactions/{id}/attachments/{fileId} openapi: 3.0.3 info: title: Grain API description: >- Church accounting and donor management API. Use an organization API key for server automation or OAuth 2.1 (Sign in with Grain) for applications acting on behalf of users. Unmanaged OAuth requests require X-Organization-Id; Grain-managed OAuth apps may list authorized organizations first. API keys infer the organization. version: 1.3.0 servers: - url: https://api.grainledger.com description: API Server security: - ApiKeyAuth: [] - GrainOAuth2: [] - BearerAuth: [] tags: - name: Funds description: Active funds available for integration mapping - name: Coding Reference Data description: Accounts, dimensions, and vendors used to code transactions - name: Transactions description: Bank transactions, coding, approval, and receipts - name: Bills description: Vendor bills from creation through payment - name: Donors description: Donor records and household relationships - name: Contributions description: Giving records with fund assignment and settlement - name: Giving Batches description: Contribution groups with derived totals and lifecycle state - name: Settlements description: Provider deposits with recorded and linked-contribution totals - name: Pledges description: Pledge campaigns and fulfillment tracking - name: Pledge Card Imports description: Submit structured pledge card data for review - name: Households description: Household groupings and primary contacts - name: Organizations description: Organizations the current Grain OAuth app is authorized to access paths: /api/v1/transactions/{id}/attachments/{fileId}: delete: tags: - Transactions summary: Delete an attachment operationId: deleteTransactionAttachment parameters: - $ref: '#/components/parameters/OrganizationId' - $ref: '#/components/parameters/PathId' - name: fileId in: path required: true schema: type: string responses: '200': headers: X-Request-Id: description: >- Server-generated ID linking this request to API activity and audit records. schema: type: string format: uuid description: Deleted content: application/json: schema: $ref: '#/components/schemas/SuccessResponse' examples: default: value: success: true '400': headers: X-Request-Id: description: >- Server-generated ID linking this request to API activity and audit records. schema: type: string format: uuid description: Bad request (missing header or invalid input) content: application/json: schema: $ref: '#/components/schemas/Error' '401': headers: X-Request-Id: description: >- Server-generated ID linking this request to API activity and audit records. schema: type: string format: uuid description: Unauthorized (missing or invalid Bearer token) content: application/json: schema: $ref: '#/components/schemas/Error' '403': headers: X-Request-Id: description: >- Server-generated ID linking this request to API activity and audit records. schema: type: string format: uuid description: Forbidden (no access to organization or action) content: application/json: schema: $ref: '#/components/schemas/Error' '404': description: Resource not found content: application/json: schema: $ref: '#/components/schemas/Error' headers: X-Request-Id: description: >- Server-generated ID linking this request to API activity and audit records. schema: type: string format: uuid '409': headers: X-Request-Id: description: >- Server-generated ID linking this request to API activity and audit records. schema: type: string format: uuid description: >- Conflict (duplicate, cross-resource ownership conflict, concurrent change, or accounting-frozen resource) content: application/json: schema: $ref: '#/components/schemas/Error' '422': description: Validation error content: application/json: schema: $ref: '#/components/schemas/Error' headers: X-Request-Id: description: >- Server-generated ID linking this request to API activity and audit records. schema: type: string format: uuid '429': description: Rate limit exceeded content: application/json: schema: $ref: '#/components/schemas/Error' headers: X-Request-Id: description: >- Server-generated ID linking this request to API activity and audit records. schema: type: string format: uuid '500': description: Internal server error content: application/json: schema: $ref: '#/components/schemas/Error' headers: X-Request-Id: description: >- Server-generated ID linking this request to API activity and audit records. schema: type: string format: uuid components: parameters: OrganizationId: name: X-Organization-Id in: header required: false schema: type: string description: >- Required with OAuth access tokens for resource requests. Omit only for GET /api/v1/organizations. Optional with organization API keys; if supplied with an API key, it must match the key's organization. example: cm123abc456def PathId: name: id in: path required: true schema: type: string description: Resource ID example: cm456def789ghi schemas: SuccessResponse: type: object properties: success: type: boolean example: true Error: type: object description: >- Every error response is valid JSON with this shape. The HTTP status code carries the outcome; `code` is a stable machine-readable form of it. required: - code - message properties: code: type: string enum: - bad_request - unauthorized - forbidden - not_found - conflict - unprocessable_entity - payload_too_large - rate_limited - internal_server_error example: forbidden message: type: string example: You do not have access to this organization. error: type: string deprecated: true description: Deprecated alias for `message`. Read `message` instead. example: You do not have access to this organization. details: type: object description: >- Present for schema validation failures. Contains safe top-level field names and validation codes, never submitted values. properties: fields: type: array maxItems: 20 items: type: object required: - field - code properties: field: type: string example: amount code: type: string example: invalid_type securitySchemes: ApiKeyAuth: type: http scheme: bearer bearerFormat: grain_live_… or grain_test_… description: >- Organization API key created in Grain Settings → API. The key determines the organization and is limited to its assigned resource scopes. Write scopes imply the corresponding read scope. GrainOAuth2: type: oauth2 flows: authorizationCode: authorizationUrl: https://auth.grainledger.com/auth/v1/oauth/authorize tokenUrl: https://auth.grainledger.com/auth/v1/oauth/token scopes: openid: OpenID Connect email: Email address profile: Profile information BearerAuth: type: http scheme: bearer bearerFormat: JWT description: OAuth access token (JWT) ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.