Abstract API

Abstract API IBAN Validation API

IBAN number validation operations

Documentation GitHub OpenAPI

Operations 1

GET / Abstract API Validate IBAN #

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/abstract-api-iban-validation-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.

GitHub Google LinkedIn

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

OpenAPI Specification

openapi: 3.2.0
info:
  title: Abstract IBAN Validation API
  description: Determine the validity and details of International Bank Account Numbers (IBANs), including bank name, account type, and country code.
  version: 1.0.0
  contact:
    url: https://www.abstractapi.com/
  x-generated-from: documentation
servers:
- url: https://ibanvalidation.abstractapi.com/v1
  description: IBAN Validation API v1
security:
- apiKey: []
tags:
- name: IBAN Validation
  description: IBAN number validation operations
paths:
  /:
    get:
      operationId: validateIBAN
      summary: Abstract API Validate IBAN
      description: Validate an IBAN number and retrieve bank details, account type, and country information.
      tags:
      - IBAN Validation
      parameters:
      - name: api_key
        in: query
        required: true
        description: Your unique API key for the IBAN Validation API.
        schema:
          type: string
        example: abc123def456
      - name: iban
        in: query
        required: true
        description: The IBAN to validate.
        schema:
          type: string
        example: GB82WEST12345698765432
      responses:
        '200':
          description: IBAN validation result
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/IBANValidationResponse'
              examples:
                validateIBAN200Example:
                  summary: Default validateIBAN 200 response
                  x-microcks-default: true
                  value:
                    iban: GB82WEST12345698765432
                    is_valid: true
                    country:
                      code: GB
                      name: United Kingdom
                    bank:
                      bank_name: Westpac Banking Corporation
                      bank_code: WEST
                      bic: WESTGB22
                    account_number: 98765432
                    check_digits: '82'
                    sepa_member: true
        '400':
          description: Bad request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
components:
  schemas:
    ErrorResponse:
      type: object
      properties:
        message:
          type: string
          example: The provided API key is invalid
        error:
          type: string
          example: invalid_api_key
    IBANValidationResponse:
      type: object
      description: IBAN validation and enrichment response
      properties:
        iban:
          type: string
          description: The IBAN submitted for validation
          example: GB82WEST12345698765432
        is_valid:
          type: boolean
          description: Whether the IBAN is valid
          example: true
        country:
          type: object
          properties:
            code:
              type: string
              description: ISO 3166-1 alpha-2 country code
              example: GB
            name:
              type: string
              description: Country name
              example: United Kingdom
        bank:
          type: object
          properties:
            bank_name:
              type: string
              description: Name of the bank
              example: Westpac Banking Corporation
            bank_code:
              type: string
              description: Bank identifier code within the IBAN
              example: WEST
            bic:
              type: string
              description: Bank Identifier Code (BIC/SWIFT)
              example: WESTGB22
        account_number:
          type: string
          description: Account number extracted from the IBAN
          example: '98765432'
        check_digits:
          type: string
          description: Check digits from the IBAN
          example: '82'
        sepa_member:
          type: boolean
          description: Whether the country is a SEPA member
          example: true
  securitySchemes:
    apiKey:
      type: apiKey
      in: query
      name: api_key

Abstract API IBAN Validation API

Operations 1

Documentation

Specifications

Schemas & Data

Other Resources

Work with this as data

MCP server

Tools for apis

Call it yourself

Get an API key

OpenAPI Specification