# Citi Tax ID validation API

**Canonical:** https://apis.io/apis/citi/citi-tax-id-validation-api/  
**Provider:** Citi — https://apis.io/providers/citi/  
**Base URL:** https://tts.apib2b.citi.com/citiconnect/prod  
**Documentation:** https://developer.citi.com/apidocs/authentication/authentication-only-guide

Citi Tax ID validation API is one of 104 APIs that [Citi](https://apis.io/providers/citi/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Tax ID Validation. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, and authentication docs.

API to validate taxId status

## Operations (1)

| Method | Path | Summary |
|---|---|---|
| POST | `/taxid/validation` | This API has the ability to check status of the given taxId as well as the… |

## Machine-readable artifacts (31)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/citi/refs/heads/main/openapi/citi-tax-id-validation-api-openapi.yml
- **Documentation** — https://developer.citi.com/apidocs/authentication/authentication-only-guide
- **APIReference** — https://developer.citi.com/apidocs/authentication/authentication-api-reference
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/citi/refs/heads/main/authentication/citi-authentication.yml
- **Conventions** — https://raw.githubusercontent.com/api-evangelist/citi/refs/heads/main/conventions/citi-conventions.yml
- **ErrorCatalog** — https://raw.githubusercontent.com/api-evangelist/citi/refs/heads/main/errors/citi-problem-types.yml
- **Sandbox** — https://raw.githubusercontent.com/api-evangelist/citi/refs/heads/main/sandbox/citi-sandbox.yml
- **Documentation** — https://developer.citi.com/apidocs/account-reporting/balances/balances-overview
- **APIReference** — https://developer.citi.com/apidocs/account-reporting/balances/balances-api-reference
- **Documentation** — https://developer.citi.com/apidocs/outgoing-payments/payments/payments-overview
- **APIReference** — https://developer.citi.com/apidocs/outgoing-payments/payments/payments-api-reference
- **Webhooks** — https://raw.githubusercontent.com/api-evangelist/citi/refs/heads/main/asyncapi/citi-webhooks.yml
- **DeclineCodes** — https://raw.githubusercontent.com/api-evangelist/citi/refs/heads/main/errors/citi-decline-codes.yml
- **Documentation** — https://developer.citi.com/apidocs/accept-payments/online-payment-acceptance/online-payment-acceptance-overview
- **APIReference** — https://developer.citi.com/apidocs/accept-payments/online-payment-acceptance/online-payment-acceptance-api-reference
- **Documentation** — https://developer.citi.com/apidocs/commercial-cards/virtual-cards/commercial-cards-overview
- **APIReference** — https://developer.citi.com/apidocs/commercial-cards/virtual-cards/virtual-cards-api-reference
- **Documentation** — https://developer.citi.com/apidocs/fx/gateway/citifx-gateway-overview
- **APIReference** — https://developer.citi.com/apidocs/fx/instant-fx/instant-fx-overview
- **Documentation** — https://developer.citi.com/apidocs/custody/accounts/accounts-overview
- **APIReference** — https://developer.citi.com/apidocs/custody/safekeeping-positions/safekeeping-positions-api-reference
- **Documentation** — https://developer.citi.com/apidocs/transfer-agency/accounts/accounts-overview
- **APIReference** — https://developer.citi.com/apidocs/transfer-agency/accounts/accounts-api-reference
- **Documentation** — https://developer.citi.com/apidocs/open-banking/ukraine-open-banking/ukraine-open-banking-overview
- **APIReference** — https://developer.citi.com/apidocs/open-banking/ukraine-open-banking/ukraine-bank-data-sharing-api-reference
- **Documentation** — https://developer.citi.com/apidocs/trade/standby-letters-of-credit/trade-overview
- **APIReference** — https://developer.citi.com/apidocs/trade/standby-letters-of-credit/trade-api-reference
- **Documentation** — https://developer.citi.com/apidocs/gateway-services/gateway-services-user-guide
- **APIReference** — https://developer.citi.com/apidocs/gateway-services/gateway-services-api-reference
- **Documentation** — https://developer.citi.com/apidocs/additional-payment-services/additional-payment-services/additional-payment-services-overview
- **APIReference** — https://developer.citi.com/apidocs/additional-payment-services/additional-payment-services/additional-payment-services-api-reference

## Other Citi APIs (12)

- [Citi Account Notification API](https://apis.io/apis/citi/citi-account-notification-api/)
- [Citi Accounts API](https://apis.io/apis/citi/citi-accounts-api/)
- [Citi Addonservices API](https://apis.io/apis/citi/citi-addonservices-api/)
- [Citi Authentication API](https://apis.io/apis/citi/citi-authentication-api/)
- [Citi Authenticationservices API](https://apis.io/apis/citi/citi-authenticationservices-api/)
- [Citi Authorization API](https://apis.io/apis/citi/citi-authorization-api/)
- [Citi Balance API](https://apis.io/apis/citi/citi-balance-api/)
- [Citi Bank Data Sharing API](https://apis.io/apis/citi/citi-bankdatasharing-api/)
- [Citi Beneficiary Validation API](https://apis.io/apis/citi/citi-beneficiary-validation-api/)
- [Citi Billing API](https://apis.io/apis/citi/citi-billing-api/)
- [Citi Blocks & Filters API](https://apis.io/apis/citi/citi-blocks-filters-api/)
- [Citi Branch API](https://apis.io/apis/citi/citi-branch-api/)

## Tags

Tax ID Validation

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/citi/citi-tax-id-validation-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/citi/.