> ## Documentation Index > Fetch the complete documentation index at: https://docs.watchdog.no/llms.txt > Use this file to discover all available pages before exploring further. # List invoice line items > Returns stored line IDs, original financial values, and deterministic line-level financial errors. ## OpenAPI ````yaml /openapi-preview.json get /v1/invoices/{id}/line-items openapi: 3.1.0 info: title: Watchdog API (preview) version: 1.0.0 description: >- Development preview for agreements, price items, document relationships, canonical invoices, alerts and alert topics, claims and attached alerts, shared entity activity and comments, Document uploads, invoice imports, explicit invoice-agreement matching, and workflow runs. This contract is under development and is not served by api.watchdog.no. Request bodies are limited to 2 MiB (2,097,152 bytes), including all JSON fields and line data, except POST /v1/support/contact which permits 32 MiB for base64 attachments. File bytes are uploaded directly to storage. The existing public REST service retains its separate contract. servers: - url: http://localhost:3500 description: Local development Worker security: [] paths: /v1/invoices/{id}/line-items: get: tags: - Invoices summary: List invoice line items description: >- Returns stored line IDs, original financial values, and deterministic line-level financial errors. operationId: listInvoiceLineItems parameters: - name: X-Organization-Id in: header required: false schema: type: string description: >- Required for personal API keys. Target one organization you have access to. Migrated keys may omit it to use their original organization. For Clerk sessions, it must match the active organization. - schema: type: string format: uuid required: true name: id in: path - schema: type: integer minimum: 1 maximum: 100 default: 50 description: Maximum number of results per page. required: false description: Maximum number of results per page. name: limit in: query - schema: type: string maxLength: 4096 description: >- Opaque next_cursor from the previous page. Keep the same filters and sort; omit for the first page. required: false description: >- Opaque next_cursor from the previous page. Keep the same filters and sort; omit for the first page. name: cursor in: query responses: '200': description: A page of invoice lines; next_cursor is null at the end. headers: X-Request-Id: schema: type: string required: true description: >- Request identifier for support and diagnostics; also included in error bodies. Cache-Control: schema: type: string enum: - private, no-store required: false description: >- Organization-scoped API responses must not be cached. May be absent for requests rejected before routing. X-RateLimit-Limit: schema: type: string example: '120' required: false description: >- Requests per minute for the applicable limiter, when evaluated. Authenticated requests use the credential limit; an IP rejection uses the IP limit. content: application/json: schema: type: object properties: data: type: array items: $ref: '#/components/schemas/InvoiceLineItem' maxItems: 100 next_cursor: type: - string - 'null' required: - data - next_cursor '400': description: >- Invalid request format, parameters, or body. Details contain up to 20 actionable field errors; the complete encoded request body must be at most 2 MiB (2,097,152 bytes). headers: X-Request-Id: schema: type: string required: true description: >- Request identifier for support and diagnostics; also included in error bodies. Cache-Control: schema: type: string enum: - private, no-store required: false description: >- Organization-scoped API responses must not be cached. May be absent for requests rejected before routing. X-RateLimit-Limit: schema: type: string example: '120' required: false description: >- Requests per minute for the applicable limiter, when evaluated. Authenticated requests use the credential limit; an IP rejection uses the IP limit. content: application/json: schema: $ref: '#/components/schemas/Error_validation_error' example: error: code: validation_error message: >- Invalid request format, parameters, or body. Details contain up to 20 actionable field errors; the complete encoded request body must be at most 2 MiB (2,097,152 bytes). request_id: req_example '401': description: Missing or invalid bearer credential. headers: X-Request-Id: schema: type: string required: true description: >- Request identifier for support and diagnostics; also included in error bodies. Cache-Control: schema: type: string enum: - private, no-store required: false description: >- Organization-scoped API responses must not be cached. May be absent for requests rejected before routing. X-RateLimit-Limit: schema: type: string example: '120' required: false description: >- Requests per minute for the applicable limiter, when evaluated. Authenticated requests use the credential limit; an IP rejection uses the IP limit. WWW-Authenticate: schema: type: string required: false description: Bearer authentication challenge, when supplied. content: application/json: schema: $ref: '#/components/schemas/Error_invalid_token' example: error: code: invalid_token message: Missing or invalid bearer credential. request_id: req_example '403': description: >- Access denied: forbidden, token_disabled, organization_required, insufficient_role, or mfa_required. Check the error code and effective permissions. headers: X-Request-Id: schema: type: string required: true description: >- Request identifier for support and diagnostics; also included in error bodies. Cache-Control: schema: type: string enum: - private, no-store required: false description: >- Organization-scoped API responses must not be cached. May be absent for requests rejected before routing. X-RateLimit-Limit: schema: type: string example: '120' required: false description: >- Requests per minute for the applicable limiter, when evaluated. Authenticated requests use the credential limit; an IP rejection uses the IP limit. content: application/json: schema: $ref: >- #/components/schemas/Error_forbidden_token_disabled_organization_required_insufficient_role_mfa_required example: error: code: forbidden message: >- Access denied: forbidden, token_disabled, organization_required, insufficient_role, or mfa_required. Check the error code and effective permissions. request_id: req_example '404': description: The resource does not exist in the current organization. headers: X-Request-Id: schema: type: string required: true description: >- Request identifier for support and diagnostics; also included in error bodies. Cache-Control: schema: type: string enum: - private, no-store required: false description: >- Organization-scoped API responses must not be cached. May be absent for requests rejected before routing. X-RateLimit-Limit: schema: type: string example: '120' required: false description: >- Requests per minute for the applicable limiter, when evaluated. Authenticated requests use the credential limit; an IP rejection uses the IP limit. content: application/json: schema: $ref: '#/components/schemas/Error_not_found' example: error: code: not_found message: The resource does not exist in the current organization. request_id: req_example '429': description: The IP or authenticated credential exceeded its request limit. headers: X-Request-Id: schema: type: string required: true description: >- Request identifier for support and diagnostics; also included in error bodies. Cache-Control: schema: type: string enum: - private, no-store required: false description: >- Organization-scoped API responses must not be cached. May be absent for requests rejected before routing. X-RateLimit-Limit: schema: type: string example: '120' required: false description: >- Requests per minute for the applicable limiter, when evaluated. Authenticated requests use the credential limit; an IP rejection uses the IP limit. Retry-After: schema: type: string example: '60' required: true description: Seconds to wait before retrying the request. content: application/json: schema: $ref: '#/components/schemas/Error_rate_limit_exceeded' example: error: code: rate_limit_exceeded message: >- The IP or authenticated credential exceeded its request limit. request_id: req_example '500': description: >- Unexpected server failure. Include the request ID when contacting support. headers: X-Request-Id: schema: type: string required: true description: >- Request identifier for support and diagnostics; also included in error bodies. Cache-Control: schema: type: string enum: - private, no-store required: false description: >- Organization-scoped API responses must not be cached. May be absent for requests rejected before routing. X-RateLimit-Limit: schema: type: string example: '120' required: false description: >- Requests per minute for the applicable limiter, when evaluated. Authenticated requests use the credential limit; an IP rejection uses the IP limit. content: application/json: schema: $ref: '#/components/schemas/Error_internal_error' example: error: code: internal_error message: >- Unexpected server failure. Include the request ID when contacting support. request_id: req_example '503': description: >- Authentication infrastructure is unavailable or rate limited. Honor Retry-After when provided. headers: X-Request-Id: schema: type: string required: true description: >- Request identifier for support and diagnostics; also included in error bodies. Cache-Control: schema: type: string enum: - private, no-store required: false description: >- Organization-scoped API responses must not be cached. May be absent for requests rejected before routing. X-RateLimit-Limit: schema: type: string example: '120' required: false description: >- Requests per minute for the applicable limiter, when evaluated. Authenticated requests use the credential limit; an IP rejection uses the IP limit. Retry-After: schema: type: string example: '60' required: true description: Seconds to wait before retrying the request. content: application/json: schema: $ref: '#/components/schemas/Error_service_unavailable' example: error: code: service_unavailable message: >- Authentication infrastructure is unavailable or rate limited. Honor Retry-After when provided. request_id: req_example security: - ApiKeyBearer: [] - ClerkSessionBearer: [] components: schemas: InvoiceLineItem: type: object properties: id: type: string format: uuid line_number: type: integer description: type: - string - 'null' product_code: type: - string - 'null' quantity: type: string maxLength: 100 pattern: ^-?\d+(?:\.\d+)?$ description: >- Exact decimal string; retain as decimal text rather than a floating-point number. example: '1250.00' unit: type: - string - 'null' unit_price: type: string maxLength: 100 pattern: ^-?\d+(?:\.\d+)?$ description: >- Exact decimal string; retain as decimal text rather than a floating-point number. example: '1250.00' discount_rate: type: string maxLength: 100 pattern: ^-?\d+(?:\.\d+)?$ description: >- Exact decimal string; retain as decimal text rather than a floating-point number. example: '1250.00' surcharge_rate: type: string maxLength: 100 pattern: ^-?\d+(?:\.\d+)?$ description: >- Exact decimal string; retain as decimal text rather than a floating-point number. example: '1250.00' vat_rate: type: string maxLength: 100 pattern: ^-?\d+(?:\.\d+)?$ description: >- Exact decimal string; retain as decimal text rather than a floating-point number. example: '1250.00' total_excluding_vat: type: string maxLength: 100 pattern: ^-?\d+(?:\.\d+)?$ description: >- Exact decimal string; retain as decimal text rather than a floating-point number. example: '1250.00' original_quantity: type: - string - 'null' maxLength: 100 pattern: ^-?\d+(?:\.\d+)?$ description: >- Exact decimal string; retain as decimal text rather than a floating-point number. example: '1250.00' original_unit_price: type: - string - 'null' maxLength: 100 pattern: ^-?\d+(?:\.\d+)?$ description: >- Exact decimal string; retain as decimal text rather than a floating-point number. example: '1250.00' original_total_excluding_vat: type: - string - 'null' maxLength: 100 pattern: ^-?\d+(?:\.\d+)?$ description: >- Exact decimal string; retain as decimal text rather than a floating-point number. example: '1250.00' original_line_number: type: - integer - 'null' period_start: type: - string - 'null' format: date period_end: type: - string - 'null' format: date notes: type: - string - 'null' description: >- Stored notes field. Separate from printed line_note; neither field falls back to the other. line_note: type: - string - 'null' description: >- Stored printed line note, preserving original wording and empty text. Null means unavailable. additional_properties: type: - array - 'null' items: type: object properties: name: type: string value: type: string source_path: type: - string - 'null' scheme: type: - string - 'null' required: - name - value description: >- Stored named business details with optional source paths. Null means unavailable; [] means inspected with none found. These do not replace financial values. allowance_charges: type: - array - 'null' items: type: object properties: scope: type: string enum: - price - line - document is_charge: type: boolean amount: type: - number - 'null' currency: type: - string - 'null' reason: type: - string - 'null' reason_code: type: - string - 'null' base_amount: type: - number - 'null' percentage: type: - number - 'null' source_path: type: - string - 'null' required: - scope - is_charge - amount description: >- Source allowance/charge evidence with optional source paths. Amounts retain their stored JSON number representation; do not post them as additional financial amounts. Null means unavailable; [] means inspected with none found. financially_valid: type: boolean readOnly: true description: >- Deterministic arithmetic within a tolerance of 1 currency unit. Does not imply extraction accuracy, compliance, or human approval. financial_errors: type: array items: type: object properties: code: type: string enum: - missing_financial_inputs - line_calculation_mismatch - invoice_total_mismatch - invoice_subtotal_mismatch - category_amount_mismatch field: type: string message: type: string required: - code - field - message readOnly: true required: - id - line_number - description - product_code - quantity - unit - unit_price - discount_rate - surcharge_rate - vat_rate - total_excluding_vat - original_quantity - original_unit_price - original_total_excluding_vat - original_line_number - period_start - period_end - notes - line_note - additional_properties - allowance_charges - financially_valid - financial_errors Error_validation_error: type: object properties: error: type: object properties: code: type: string enum: - validation_error message: type: string request_id: type: string description: type: string details: type: array items: type: object properties: code: type: string field: type: string message: type: string required: - code - field - message maxItems: 20 workflow_run_id: type: string format: uuid import_id: type: string format: uuid existing_party: type: object properties: type: type: string enum: - supplier - recipient id: type: string format: uuid required: - type - id required: - code - message - request_id required: - error Error_invalid_token: type: object properties: error: type: object properties: code: type: string enum: - invalid_token message: type: string request_id: type: string description: type: string details: type: array items: type: object properties: code: type: string field: type: string message: type: string required: - code - field - message maxItems: 20 workflow_run_id: type: string format: uuid import_id: type: string format: uuid existing_party: type: object properties: type: type: string enum: - supplier - recipient id: type: string format: uuid required: - type - id required: - code - message - request_id required: - error Error_forbidden_token_disabled_organization_required_insufficient_role_mfa_required: type: object properties: error: type: object properties: code: type: string enum: - forbidden - token_disabled - organization_required - insufficient_role - mfa_required message: type: string request_id: type: string description: type: string details: type: array items: type: object properties: code: type: string field: type: string message: type: string required: - code - field - message maxItems: 20 workflow_run_id: type: string format: uuid import_id: type: string format: uuid existing_party: type: object properties: type: type: string enum: - supplier - recipient id: type: string format: uuid required: - type - id required: - code - message - request_id required: - error Error_not_found: type: object properties: error: type: object properties: code: type: string enum: - not_found message: type: string request_id: type: string description: type: string details: type: array items: type: object properties: code: type: string field: type: string message: type: string required: - code - field - message maxItems: 20 workflow_run_id: type: string format: uuid import_id: type: string format: uuid existing_party: type: object properties: type: type: string enum: - supplier - recipient id: type: string format: uuid required: - type - id required: - code - message - request_id required: - error Error_rate_limit_exceeded: type: object properties: error: type: object properties: code: type: string enum: - rate_limit_exceeded message: type: string request_id: type: string description: type: string details: type: array items: type: object properties: code: type: string field: type: string message: type: string required: - code - field - message maxItems: 20 workflow_run_id: type: string format: uuid import_id: type: string format: uuid existing_party: type: object properties: type: type: string enum: - supplier - recipient id: type: string format: uuid required: - type - id required: - code - message - request_id required: - error Error_internal_error: type: object properties: error: type: object properties: code: type: string enum: - internal_error message: type: string request_id: type: string description: type: string details: type: array items: type: object properties: code: type: string field: type: string message: type: string required: - code - field - message maxItems: 20 workflow_run_id: type: string format: uuid import_id: type: string format: uuid existing_party: type: object properties: type: type: string enum: - supplier - recipient id: type: string format: uuid required: - type - id required: - code - message - request_id required: - error Error_service_unavailable: type: object properties: error: type: object properties: code: type: string enum: - service_unavailable message: type: string request_id: type: string description: type: string details: type: array items: type: object properties: code: type: string field: type: string message: type: string required: - code - field - message maxItems: 20 workflow_run_id: type: string format: uuid import_id: type: string format: uuid existing_party: type: object properties: type: type: string enum: - supplier - recipient id: type: string format: uuid required: - type - id required: - code - message - request_id required: - error securitySchemes: ApiKeyBearer: type: http scheme: bearer description: >- Personal API key. Send X-Organization-Id. The required cumulative level is listed in x-watchdog-permission. ClerkSessionBearer: type: http scheme: bearer description: Clerk session with an active organization. ````