Form3 Claims API

The Claims API from Form3 — 8 operation(s) for claims.

Operations 9

GET /transaction/claims List claims
POST /transaction/claims Create Claim
GET /transaction/claims/{id} Fetch claim
POST /transaction/claims/{id}/reversals Create Claim Reversal
GET /transaction/claims/{id}/reversals/{reversalId} Fetch Claim Reversal
POST /transaction/claims/{id}/reversals/{reversalId}/submissions Create Claim Reversal Submission
GET /transaction/claims/{id}/reversals/{reversalId}/submissions/{submissionId} Fetch Claim Reversal Submission
POST /transaction/claims/{id}/submissions Create Claim Submission
GET /transaction/claims/{id}/submissions/{submissionId} Fetch Claim Submission

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/form3-claims-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

form3-claims-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Form3 Public Claims API
  version: '1'
servers:
- url: https://api.form3.tech/v1
security:
- OAuth2: []
tags:
- name: Claims
paths:
  /transaction/claims:
    get:
      parameters:
      - description: Which page to select
        in: query
        name: page[number]
        required: false
        schema:
          type: integer
          minimum: 0
      - description: Number of items to select
        in: query
        name: page[size]
        required: false
        schema:
          type: integer
          maximum: 1000
          minimum: 0
      - description: Filter by organisation id
        in: query
        name: filter[organisation_id]
        required: false
        schema:
          type: array
          items:
            format: uuid
            type: string
      - in: query
        name: filter[payment_scheme]
        required: false
        schema:
          type: string
      - in: query
        name: filter[clearing_id]
        required: false
        schema:
          type: string
      - in: query
        name: filter[reference]
        required: false
        schema:
          type: string
      - in: query
        name: filter[reason_code]
        required: false
        schema:
          type: string
      - in: query
        name: filter[contact_name]
        required: false
        schema:
          type: string
      - in: query
        name: filter[debtor_party.account_number]
        required: false
        schema:
          type: string
      - in: query
        name: filter[debtor_party.bank_id]
        required: false
        schema:
          type: string
      - in: query
        name: filter[beneficiary_party.account_number]
        required: false
        schema:
          type: string
      - in: query
        name: filter[beneficiary_party.bank_id]
        required: false
        schema:
          type: string
      - in: query
        name: filter[original_instruction.reference]
        required: false
        schema:
          type: string
      - in: query
        name: filter[submission.status]
        required: false
        schema:
          type: string
      - in: query
        name: filter[submission.submission_date_from]
        required: false
        schema:
          type: string
          format: date-time
      - in: query
        name: filter[submission.submission_date_to]
        required: false
        schema:
          type: string
          format: date-time
      - in: query
        name: filter[reversal.status]
        required: false
        schema:
          type: string
      - in: query
        name: filter[reversal.submission_date_from]
        required: false
        schema:
          type: string
          format: date-time
      - in: query
        name: filter[reversal.submission_date_to]
        required: false
        schema:
          type: string
          format: date-time
      responses:
        200:
          description: List of claims details
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/ClaimDetailsListResponse'
            application/json:
              schema:
                $ref: '#/components/schemas/ClaimDetailsListResponse'
      summary: List claims
      tags:
      - Claims
      x-access:
      - Public
    post:
      responses:
        201:
          description: Claim creation response
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/ClaimDetailsResponse'
            application/json:
              schema:
                $ref: '#/components/schemas/ClaimDetailsResponse'
        400:
          description: Claim creation error
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/ApiError'
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
      summary: Create Claim
      tags:
      - Claims
      x-access:
      - Public
      requestBody:
        content:
          application/vnd.api+json:
            schema:
              $ref: '#/components/schemas/ClaimCreation'
          application/json:
            schema:
              $ref: '#/components/schemas/ClaimCreation'
  /transaction/claims/{id}:
    get:
      parameters:
      - description: Claim Id
        in: path
        name: id
        required: true
        schema:
          type: string
          format: uuid
      responses:
        200:
          description: Claim details
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/ClaimDetailsResponse'
            application/json:
              schema:
                $ref: '#/components/schemas/ClaimDetailsResponse'
        400:
          description: Bad Request
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/ApiError'
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
        404:
          description: Not Found
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/ApiError'
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
      summary: Fetch claim
      tags:
      - Claims
      x-access:
      - Public
  /transaction/claims/{id}/reversals:
    post:
      parameters:
      - description: Claim Id
        in: path
        name: id
        required: true
        schema:
          type: string
          format: uuid
      responses:
        201:
          description: Claim Reversal creation response
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/ClaimReversalDetailsResponse'
            application/json:
              schema:
                $ref: '#/components/schemas/ClaimReversalDetailsResponse'
        400:
          description: Bad Request
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/ApiError'
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
        404:
          description: Not Found
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/ApiError'
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
      summary: Create Claim Reversal
      tags:
      - Claims
      x-access:
      - Public
      requestBody:
        content:
          application/vnd.api+json:
            schema:
              $ref: '#/components/schemas/ClaimReversalCreation'
          application/json:
            schema:
              $ref: '#/components/schemas/ClaimReversalCreation'
  /transaction/claims/{id}/reversals/{reversalId}:
    get:
      parameters:
      - description: Claim Id
        in: path
        name: id
        required: true
        schema:
          type: string
          format: uuid
      - description: Claim Reversal Id
        in: path
        name: reversalId
        required: true
        schema:
          type: string
          format: uuid
      responses:
        200:
          description: Claim Reversal details
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/ClaimReversalDetailsResponse'
            application/json:
              schema:
                $ref: '#/components/schemas/ClaimReversalDetailsResponse'
        400:
          description: Bad Request
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/ApiError'
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
        404:
          description: Not Found
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/ApiError'
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
      summary: Fetch Claim Reversal
      tags:
      - Claims
      x-access:
      - Public
  /transaction/claims/{id}/reversals/{reversalId}/submissions:
    post:
      parameters:
      - description: Claim Id
        in: path
        name: id
        required: true
        schema:
          type: string
          format: uuid
      - description: Claim Reversal Id
        in: path
        name: reversalId
        required: true
        schema:
          type: string
          format: uuid
      responses:
        201:
          description: Claim Reversal Submission creation response
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/ClaimReversalSubmissionDetailsResponse'
            application/json:
              schema:
                $ref: '#/components/schemas/ClaimReversalSubmissionDetailsResponse'
        400:
          description: Bad Request
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/ApiError'
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
        404:
          description: Not Found
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/ApiError'
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
      summary: Create Claim Reversal Submission
      tags:
      - Claims
      x-access: Public
      requestBody:
        content:
          application/vnd.api+json:
            schema:
              $ref: '#/components/schemas/ClaimReversalSubmissionCreation'
          application/json:
            schema:
              $ref: '#/components/schemas/ClaimReversalSubmissionCreation'
  /transaction/claims/{id}/reversals/{reversalId}/submissions/{submissionId}:
    get:
      parameters:
      - description: Claim Id
        in: path
        name: id
        required: true
        schema:
          type: string
          format: uuid
      - description: Claim Reversal Id
        in: path
        name: reversalId
        required: true
        schema:
          type: string
          format: uuid
      - description: Claim Reversal Submission Id
        in: path
        name: submissionId
        required: true
        schema:
          type: string
          format: uuid
      responses:
        200:
          description: Claim Reversal Submission details
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/ClaimReversalSubmissionDetailsResponse'
            application/json:
              schema:
                $ref: '#/components/schemas/ClaimReversalSubmissionDetailsResponse'
        400:
          description: Bad Request
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/ApiError'
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
        404:
          description: Not Found
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/ApiError'
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
      summary: Fetch Claim Reversal Submission
      tags:
      - Claims
      x-access:
      - Public
  /transaction/claims/{id}/submissions:
    post:
      parameters:
      - description: Claim Id
        in: path
        name: id
        required: true
        schema:
          type: string
          format: uuid
      responses:
        201:
          description: Claim Submission creation response
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/ClaimSubmissionDetailsResponse'
            application/json:
              schema:
                $ref: '#/components/schemas/ClaimSubmissionDetailsResponse'
        400:
          description: Bad Request
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/ApiError'
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
        404:
          description: Not Found
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/ApiError'
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
      summary: Create Claim Submission
      tags:
      - Claims
      x-access:
      - Public
      requestBody:
        content:
          application/vnd.api+json:
            schema:
              $ref: '#/components/schemas/ClaimSubmissionCreation'
          application/json:
            schema:
              $ref: '#/components/schemas/ClaimSubmissionCreation'
  /transaction/claims/{id}/submissions/{submissionId}:
    get:
      parameters:
      - description: Claim Id
        in: path
        name: id
        required: true
        schema:
          type: string
          format: uuid
      - description: Claim Submission Id
        in: path
        name: submissionId
        required: true
        schema:
          type: string
          format: uuid
      responses:
        200:
          description: Claim Submission details
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/ClaimSubmissionDetailsResponse'
            application/json:
              schema:
                $ref: '#/components/schemas/ClaimSubmissionDetailsResponse'
        400:
          description: Bad Request
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/ApiError'
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
        404:
          description: Not Found
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/ApiError'
            application/json:
              schema:
                $ref: '#/components/schemas/ApiError'
      summary: Fetch Claim Submission
      tags:
      - Claims
      x-access:
      - Public
components:
  schemas:
    ClaimReversalSubmissionCreation:
      properties:
        data:
          $ref: '#/components/schemas/ClaimReversalSubmission'
      required:
      - data
      type: object
      x-access:
      - Public
    ClaimReversalSubmission:
      properties:
        attributes:
          properties:
            status:
              $ref: '#/components/schemas/ClaimSubmissionStatus'
            status_reason:
              type: string
            submission_datetime:
              format: date-time
              readOnly: true
              type: string
          type: object
        created_on:
          format: date-time
          type:
          - string
          - 'null'
        id:
          format: uuid
          type: string
        modified_on:
          format: date-time
          type:
          - string
          - 'null'
        organisation_id:
          format: uuid
          type: string
        relationships:
          $ref: '#/components/schemas/ClaimReversalSubmissionRelationships'
        type:
          pattern: ^[A-Za-z_]*$
          type: string
        version:
          minimum: 0
          type: integer
      required:
      - id
      - organisation_id
      type: object
      x-access:
      - Public
    ClaimSubmissionDetailsResponse:
      properties:
        data:
          $ref: '#/components/schemas/ClaimSubmission'
        links:
          $ref: '#/components/schemas/Links'
      type: object
      x-access:
      - Public
    DisputedTransaction:
      properties:
        amount:
          pattern: ^[0-9.]{0,20}$
          type: string
        date:
          format: date
          type: string
      required:
      - date
      - amount
      type: object
      x-access:
      - Public
    ClaimReversalSubmissionRelationships:
      properties:
        claim:
          properties:
            data:
              items:
                $ref: '#/components/schemas/Claim'
              type: array
          type: object
        claim_reversal:
          properties:
            data:
              items:
                $ref: '#/components/schemas/ClaimReversal'
              type: array
          type: object
      type: object
      x-access:
      - Public
    ClaimReversal:
      properties:
        attributes:
          properties:
            original_instruction_id:
              minLength: 1
              type: string
          required:
          - original_instruction_id
          type: object
        created_on:
          format: date-time
          type:
          - string
          - 'null'
        id:
          format: uuid
          type: string
        modified_on:
          format: date-time
          type:
          - string
          - 'null'
        organisation_id:
          format: uuid
          type: string
        relationships:
          $ref: '#/components/schemas/ClaimReversalRelationships'
        type:
          pattern: ^[A-Za-z_]*$
          type: string
        version:
          minimum: 0
          type: integer
      required:
      - id
      - organisation_id
      - attributes
      type: object
      x-access:
      - Public
    Links:
      properties:
        first:
          description: Link to the first resource in the list
          example: https://api.test.form3.tech/v1/api_name/resource_type
          type:
          - string
          - 'null'
        last:
          description: Link to the last resource in the list
          example: https://api.test.form3.tech/v1/api_name/resource_type
          type:
          - string
          - 'null'
        next:
          description: Link to the next resource in the list
          example: https://api.test.form3.tech/v1/api_name/resource_type
          type:
          - string
          - 'null'
        prev:
          description: Link to the previous resource in the list
          example: https://api.test.form3.tech/v1/api_name/resource_type
          type:
          - string
          - 'null'
        self:
          description: Link to this resource type
          example: https://api.test.form3.tech/v1/api_name/resource_type
          type: string
      required:
      - self
      type: object
      x-access:
      - Public
    ClaimReversalCreation:
      properties:
        data:
          $ref: '#/components/schemas/ClaimReversal'
      required:
      - data
      type: object
      x-access:
      - Public
    ClaimSubmissionRelationships:
      properties:
        claim:
          properties:
            data:
              items:
                $ref: '#/components/schemas/Claim'
              type: array
          type: object
      type: object
      x-access:
      - Public
    ClaimAttributes:
      properties:
        beneficiary_party:
          properties:
            account_number:
              pattern: ^[A-Z0-9]{6,34}$
              type: string
            bank_id:
              type: string
          required:
          - account_number
          - bank_id
          type: object
        clearing_id:
          pattern: ^[0-9]{6}$
          type: string
        contact_name:
          type: string
        debtor_party:
          properties:
            account_name:
              type: string
              x-omitempty: false
            account_number:
              pattern: ^[A-Z0-9]{6,34}$
              type: string
            bank_id:
              type: string
          required:
          - account_name
          - account_number
          - bank_id
          type: object
        disputed_transactions:
          items:
            $ref: '#/components/schemas/DisputedTransaction'
          type: array
        number_of_claims:
          type: integer
        original_instruction:
          properties:
            clearing_id:
              pattern: ^[0-9]{6}$
              type: string
            reference:
              type: string
          required:
          - clearing_id
          - reference
          type: object
        payment_scheme:
          type: string
        processing_date:
          format: date
          type: string
        reason_code:
          pattern: ^[1-9]$
          type: string
        reference:
          type: string
        request_date:
          format: date
          type: string
      required:
      - payment_scheme
      - clearing_id
      - reference
      - reason_code
      - beneficiary_party
      - debtor_party
      - original_instruction
      - number_of_claims
      - disputed_transactions
      type: object
      x-access:
      - Public
    ClaimDetailsResponse:
      properties:
        data:
          $ref: '#/components/schemas/Claim'
        links:
          $ref: '#/components/schemas/Links'
      type: object
      x-access:
      - Public
    ClaimReversalRelationships:
      properties:
        claim:
          properties:
            data:
              items:
                $ref: '#/components/schemas/Claim'
              type: array
          type: object
        claim_reversal_submission:
          properties:
            data:
              items:
                $ref: '#/components/schemas/ClaimReversalSubmission'
              type: array
          type: object
      type: object
      x-access:
      - Public
    ClaimDetailsListResponse:
      properties:
        data:
          items:
            $ref: '#/components/schemas/Claim'
          type: array
        links:
          $ref: '#/components/schemas/Links'
      type: object
      x-access:
      - Public
    ClaimSubmissionCreation:
      properties:
        data:
          $ref: '#/components/schemas/ClaimSubmission'
      required:
      - data
      type: object
      x-access:
      - Public
    ClaimSubmissionStatus:
      enum:
      - accepted
      - validation_failed
      - validation_pending
      - validation_passed
      - released_to_gateway
      - queued_for_delivery
      - delivery_confirmed
      - delivery_failed
      type: string
      x-access:
      - Public
    ClaimReversalSubmissionDetailsResponse:
      properties:
        data:
          $ref: '#/components/schemas/ClaimReversalSubmission'
        links:
          $ref: '#/components/schemas/Links'
      type: object
      x-access:
      - Public
    ClaimRelationships:
      properties:
        claim_reversal:
          properties:
            data:
              items:
                $ref: '#/components/schemas/ClaimReversal'
              type: array
          type: object
        claim_submission:
          properties:
            data:
              items:
                $ref: '#/components/schemas/ClaimSubmission'
              type: array
          type: object
      type: object
      x-access:
      - Public
    ClaimCreation:
      properties:
        data:
          $ref: '#/components/schemas/Claim'
      type: object
      x-access:
      - Public
    Claim:
      properties:
        attributes:
          $ref: '#/components/schemas/ClaimAttributes'
        created_on:
          format: date-time
          type:
          - string
          - 'null'
        id:
          format: uuid
          type: string
        modified_on:
          format: date-time
          type:
          - string
          - 'null'
        organisation_id:
          format: uuid
          type: string
        relationships:
          $ref: '#/components/schemas/ClaimRelationships'
        type:
          pattern: ^[A-Za-z_]*$
          type: string
        version:
          minimum: 0
          type: integer
      required:
      - id
      - organisation_id
      - attributes
      type: object
      x-access:
      - Public
    ClaimReversalDetailsResponse:
      properties:
        data:
          $ref: '#/components/schemas/ClaimReversal'
        links:
          $ref: '#/components/schemas/Links'
      type: object
      x-access:
      - Public
    ClaimSubmission:
      properties:
        attributes:
          properties:
            scheme_message_id:
              type: string
            status:
              $ref: '#/components/schemas/ClaimSubmissionStatus'
            status_reason:
              type: string
            submission_datetime:
              format: date-time
              type: string
          type: object
        created_on:
          format: date-time
          type:
          - string
          - 'null'
        id:
          format: uuid
          type: string
        modified_on:
          format: date-time
          type:
          - string
          - 'null'
        organisation_id:
          format: uuid
          type: string
        relationships:
          $ref: '#/components/schemas/ClaimSubmissionRelationships'
        type:
          pattern: ^[A-Za-z_]*$
          type: string
        version:
          minimum: 0
          type: integer
      required:
      - id
      - organisation_id
      type: object
      x-access:
      - Public
    ApiError:
      properties:
        error_code:
          format: uuid
          type: string
        error_message:
          type: string
      type: object
      x-access:
      - Public
  securitySchemes:
    Basic:
      type: http
      scheme: basic
    OAuth2:
      type: oauth2
      flows:
        clientCredentials:
          scopes: {}
          tokenUrl: https://api.form3.tech/v1/oauth2/token
      description: OAuth 2.0 with Client Credentials Grant type