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OpenAPI Specification
openapi: 3.2.0
info:
title: HelpMyAgent Iban API
version: v1
description: Pay-per-call APIs designed to be discovered and consumed by AI agents.
x-guidance: HelpMyAgent exposes pay-per-call APIs. Choose an operation by its documented purpose, coverage and use_when guidance when available. Use the declared input schema and method. Each paid operation declares its decimal USD price in x-payment-info. An unpaid call returns HTTP 402 with x402 v2 payment requirements; submit a valid payment and retry the same request to receive the business JSON result. Do not use an endpoint outside its declared geographic coverage or documented use case.
contact:
url: https://helpmyagent.com
email: hi@helpmyagent.com
servers:
- url: https://api.helpmyagent.com
description: HelpMyAgent public API gateway
tags:
- name: IBAN
description: Iban
paths:
/v1/iban/validate:
post:
tags:
- IBAN
summary: IBAN Structure Validation
description: Validates IBAN structure and mod-97 checksum locally and extracts French bank/branch/account components when present.
operationId: v1IbanValidate
externalDocs:
description: HelpMyAgent endpoint documentation
url: https://helpmyagent.com/en/apis/iban/validate
responses:
'200':
description: Successful response
content:
application/json:
schema:
type: object
properties:
iban:
type: string
description: Structured value returned for “iban” as defined by this API contract.
country_code:
type: string
description: Structured value returned for “country code” as defined by this API contract.
structure_valid:
type: boolean
description: Structured value returned for “structure valid” as defined by this API contract.
checksum_valid:
type: boolean
description: Structured value returned for “checksum valid” as defined by this API contract.
valid:
type: boolean
description: Whether the supplied identifier passed the endpoint’s validation rules.
expected_length:
type:
- integer
- 'null'
description: Structured value returned for “expected length” as defined by this API contract.
bank_code:
type:
- string
- 'null'
description: Structured value returned for “bank code” as defined by this API contract.
branch_code:
type:
- string
- 'null'
description: Structured value returned for “branch code” as defined by this API contract.
account_number:
type:
- string
- 'null'
description: Structured value returned for “account number” as defined by this API contract.
rib_key:
type:
- string
- 'null'
description: Structured value returned for “rib key” as defined by this API contract.
bic:
type:
- string
- 'null'
description: Structured value returned for “bic” as defined by this API contract.
bank_name:
type:
- string
- 'null'
description: Structured value returned for “bank name” as defined by this API contract.
checked_at:
type: string
description: UTC timestamp at which HelpMyAgent performed the check.
limitations:
type: array
items:
type: string
description: Known interpretation, source-coverage or freshness limitations for this result.
additionalProperties: false
required:
- iban
- country_code
- structure_valid
- checksum_valid
- valid
- expected_length
- bank_code
- branch_code
- account_number
- rib_key
- bic
- bank_name
- checked_at
description: Structured result returned by the iban/validate API.
example:
iban: FR1420041010050500013M02606
country_code: FR
structure_valid: true
checksum_valid: true
valid: true
expected_length: 27
bank_code: '20041'
branch_code: '01005'
account_number: 0500013M026
rib_key: '06'
bic: null
bank_name: null
checked_at: '2026-09-07T16:50:13+02:00'
limitations:
- La validation confirme la structure et la clé de contrôle ; elle ne prouve pas que le compte existe ou appartient au bénéficiaire.
- L’identification publique gratuite de la banque n’est pas garantie pour tous les pays ; bank_name et bic peuvent être nuls.
'402':
description: Payment required when payment is enabled for the endpoint.
4XX:
description: Client request error.
5XX:
description: Server or upstream provider error.
x-helpmyagent-pricing:
mode: fixed
price: '0.002'
currency: USD
billingPolicy:
charge_on: valid_result
no_charge_on_empty_result: true
no_charge_on_error: true
x-payment-info:
price:
mode: fixed
currency: USD
amount: '0.002'
protocols:
- x402: {}
accepts:
- scheme: exact
network: eip155:8453
amount: '2000'
asset: '0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913'
payTo: '0xEaB9543AcF710a24fe096913A428E7d066c88F59'
maxTimeoutSeconds: 60
extra:
assetTransferMethod: eip3009
name: USD Coin
version: '2'
- scheme: exact
network: xrpl:0
amount: '0.002'
asset: 524C555344000000000000000000000000000000
payTo: rUXKCZetEbwQc1i5vkJL6SNXYK3hG7Fezy
maxTimeoutSeconds: 600
extra:
sourceTag: 804681468
issuer: rMxCKbEDwqr76QuheSUMdEGf4B9xJ8m5De
x-helpmyagent-coverage:
countries:
- EU
- GB
- CH
- 'NO'
- IS
- LI
- MC
- AD
x-helpmyagent-use-when:
- Validate an IBAN checksum before using it in a workflow.
- You need local IBAN normalization, structural validation and mod-97 checksum verification before using an account identifier.
- For French IBANs, you also want the available bank, branch, account and RIB-key components.
x-helpmyagent-avoid-when:
- You need to verify that an IBAN belongs to a specific supplier; structural validation cannot establish ownership.
- You need supplier-level public identity/compliance context; use company/fr/supplier-verification.
x-helpmyagent-limitations:
- A checksum-valid IBAN can still refer to a closed, nonexistent or unrelated bank account.
- Bank/BIC enrichment is returned only when supported by the endpoint’s available reference data.
x-helpmyagent-example-queries:
- Validate an IBAN checksum before using it in a workflow.
x-helpmyagent-sources:
- code: iso-13616
name: ISO 13616 checksum validation
url: https://www.iso.org/standard/81090.html
x-helpmyagent-freshness:
mode: source_dependent
x-helpmyagent-mcp-annotations:
readOnlyHint: false
destructiveHint: false
idempotentHint: false
openWorldHint: false
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
iban:
type: string
minLength: 15
maxLength: 34
description: IBAN to normalize and validate structurally, including the ISO 13616 mod-97 checksum. (minimum length 15; maximum length 34).
additionalProperties: false
required:
- iban
description: Structured input parameters for the iban/validate API.
example:
iban: FR1420041010050500013M02606
x-helpmyagent-demo:
url: https://api.helpmyagent.com/demo/iban/validate
isSnapshot: true
generatedAt: '2026-09-07T14:50:13+00:00'
sourceAsOf: null
x-helpmyagent-discovery:
llms: https://helpmyagent.com/llms.txt
openapi: https://api.helpmyagent.com/openapi.json
capabilities: https://helpmyagent.com/capabilities.json
mcp: https://helpmyagent.com/mcp
api_catalog: https://helpmyagent.com/.well-known/api-catalog
pricing: https://helpmyagent.com/pricing.json
x402: https://helpmyagent.com/.well-known/x402
x402_service: https://helpmyagent.com/.well-known/x402-service.json
health: https://helpmyagent.com/health