Nacha Banks API

The Banks API from Nacha — 1 operation(s) for banks.

Operations 1

GET /banks/{bank_id}/contact Financial institution contact information for fraud or operational issues #

Documentation

📖
APIReference
https://app.swaggerhub.com/apis/ASIG/Initiate_Payment/1.0.7
📖
Documentation
https://www.nacha.org/content/apis-development
📖
APIReference
https://app.swaggerhub.com/apis/ASIG/IAR/1.0.1
📖
APIReference
https://app.swaggerhub.com/apis/ASIG/IAR_Plus/1.0.1
📖
APIReference
https://app.swaggerhub.com/apis/ASIG/transaction_status/1.0.14
📖
APIReference
https://app.swaggerhub.com/apis/ASIG/Initiate_Wire_Payment_API/1.0.3
📖
APIReference
https://app.swaggerhub.com/apis/ASIG/Get_Wire_Status_API/1.0.0
📖
APIReference
https://app.swaggerhub.com/apis/ASIG/Initiate_Instant_Payment_API/1.0.6
📖
APIReference
https://app.swaggerhub.com/apis/ASIG/Instant_Payment_Transfer/1.0.1
📖
APIReference
https://app.swaggerhub.com/apis/ASIG/Initiate_Payment_API/1.0.2
📖
APIReference
https://app.swaggerhub.com/apis/ASIG/RET_API/1.0.3
📖
APIReference
https://app.swaggerhub.com/apis/ASIG/Authorize_To_Pay/1.0.6
📖
APIReference
https://app.swaggerhub.com/apis/ASIG/Pay_Me_API/1.0.11
📖
APIReference
https://app.swaggerhub.com/apis/ASIG/account_validation/1.0.2
📖
APIReference
https://app.swaggerhub.com/apis/ASIG/Account_Validation_Plus_Ownership_API/1.1.0
📖
APIReference
https://app.swaggerhub.com/apis/ASIG/Account_Validation_Plus_Name_and_RET/1.0.4
📖
APIReference
https://app.swaggerhub.com/apis/ASIG/RealTimeBillingAccountValidation/1.0.7
📖
APIReference
https://app.swaggerhub.com/apis/ASIG/Get_Corporate_Account_Balances_API/1.0.3
📖
APIReference
https://app.swaggerhub.com/apis/ASIG/Get_Corporate_Transaction_History_API/1.0.5
📖
APIReference
https://app.swaggerhub.com/apis/ASIG/Get_Transaction_Detail_API/1.0.4
📖
APIReference
https://app.swaggerhub.com/apis/ASIG/Payee_Profile_API/2.1.3
📖
APIReference
https://app.swaggerhub.com/apis/ASIG/Written_Statement_of_Unauthorized_Debit/1.0.8
📖
APIReference
https://app.swaggerhub.com/apis/ASIG/Proof_of_Authorization/1.0.6
📖
APIReference
https://app.swaggerhub.com/apis/ASIG/bank_contacts/1.0.5
📖
APIReference
https://app.swaggerhub.com/apis/ASIG/Bank_Contact_V2/1.0.9

Specifications

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/nacha-banks-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

nacha-banks-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  version: 1.0.5
  title: Bank Contacts Banks API
  description: Afinis is a diverse group of organizations working to support advancement and use of API standardization in the financial services industry. Utilization of this API requires a developer to [register](https://www.afinis.org/user/register) their application.
servers:
- url: https://api.afinis.org/v1
tags:
- name: Banks
paths:
  /banks/{bank_id}/contact:
    get:
      summary: Financial institution contact information for fraud or operational issues
      tags:
      - Banks
      operationId: findByBankIdAndReason
      parameters:
      - name: bank_id
        in: path
        required: true
        description: 9 digit financial institution routing transit number (RTN)
        schema:
          type: string
          maxLength: 9
          minLength: 9
      - name: reason
        in: query
        required: true
        description: 'Reason for Inquiry * ACH_FRAUD - ACH fraud operations

          '
        schema:
          type: string
          enum:
          - ACH_FRAUD
          - WIRE_FRAUD
      - name: Request_Id
        in: header
        required: false
        description: Optional Request ID allows application developer to trace requests through the systems logs
        schema:
          type: string
          format: uuid
      responses:
        '200':
          description: A Bank object with the supplied Bank ID
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BankContact'
        '400':
          description: Bad request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/error-400'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/error-401'
        '404':
          description: Not Found
        '500':
          description: Internal Server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/error-500'
        '503':
          description: Service unavailable
      security:
      - APIKeyQueryParam: []
components:
  schemas:
    error-500:
      title: 500 Error
      type: object
      properties:
        detail:
          description: error details
          type: array
          items:
            $ref: '#/components/schemas/errorDetails-500'
    errorDetails-401:
      title: 401 ErrorDetails
      type: object
      properties:
        errorcode:
          description: A programmatic error code
          example: 1000
          type: number
          enum:
          - '1000': null
            description: API key is missing, invalid or expired.
          - '1001': null
            description: API token is invalid, expired, or account associated with key does not have access to that API.
        message:
          description: A human readable description of the problem
          example: API key is missing, invalid or expired.
          type: string
      required:
      - errorcode
      - message
    errorDetails-400:
      title: ErrorDetails
      type: object
      properties:
        errorcode:
          description: A programmatic error code
          example: 2000
          type: string
        message:
          description: A human readable description of the problem
          example: Invalid request.
          type: string
      required:
      - errorcode
      - message
    error-401:
      title: 401 Error
      type: object
      properties:
        detail:
          description: error details
          type: array
          items:
            $ref: '#/components/schemas/errorDetails-401'
    errorDetails-500:
      title: 500 ErrorDetails
      type: object
      properties:
        errorcode:
          description: A programmatic error code
          example: 3001
          type: number
        message:
          description: A human readable description of the problem
          example: Internal Server error
          type: string
      required:
      - errorcode
      - message
    error-400:
      title: Error
      type: object
      properties:
        detail:
          description: error details
          type: array
          items:
            $ref: '#/components/schemas/errorDetails-400'
    BankContact:
      title: BankContact
      type: object
      properties:
        contactDetails:
          $ref: '#/components/schemas/ContactDetails'
    ContactDetails:
      title: ContactDetails
      type: object
      properties:
        name:
          description: ''
          example: John Smith
          type: string
        phoneNumber:
          description: Phone number is 35 characters long
          type: string
          minLength: 12
          maxLength: 35
          example: 704-567-5678
        emailAddress:
          description: ''
          example: joe.smith@bankemail.com
          type: string
  securitySchemes:
    APIKeyQueryParam:
      type: apiKey
      in: query
      name: apikey