# CitiFX Gateway and Instant FX APIs

**Canonical:** https://apis.io/apis/citi/citifx-gateway-and-instant-fx-apis/  
**Provider:** Citi — https://apis.io/providers/citi/  
**Base URL:** https://api.citivelocity.com/markets  
**Documentation:** https://developer.citi.com/apidocs/fx/gateway/citifx-gateway-overview

CitiFX Gateway and Instant FX APIs is one of 12 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 Foreign Exchange, Markets, and Treasury. The published artifact set on APIs.io includes API documentation, an API reference, an OpenAPI specification, and authentication docs.

Foreign exchange quoting, order placement, order cancellation and reporting over the CitiFX Gateway and Instant FX services, each published in matched synchronous and asynchronous variants, plus a FIX and SFTP channel guide. Citi publishes 17 machine-readable specifications for this family covering 16 operations, served from developer.citi.com.

## Operations (1)

| Method | Path | Summary |
|---|---|---|
| POST | `/fx/oauth2/token` | Request Access Token |

## Machine-readable artifacts (24)

- **Documentation** — https://developer.citi.com/apidocs/fx/gateway/citifx-gateway-overview
- **APIReference** — https://developer.citi.com/apidocs/fx/instant-fx/instant-fx-overview
- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/citi/refs/heads/main/openapi/citi-fx-authentication-api-openapi.yaml
- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/citi/refs/heads/main/openapi/citi-fx-benchmark-async-api-openapi.yaml
- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/citi/refs/heads/main/openapi/citi-fx-benchmark-sync-api-openapi.yaml
- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/citi/refs/heads/main/openapi/citi-fx-cancel-async-api-openapi.yaml
- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/citi/refs/heads/main/openapi/citi-fx-cancel-sync-api-openapi.yaml
- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/citi/refs/heads/main/openapi/citi-fx-ecommerce-api-openapi.yaml
- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/citi/refs/heads/main/openapi/citi-fx-gateway-reporting-async-api-openapi.yaml
- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/citi/refs/heads/main/openapi/citi-fx-gateway-reporting-sync-api-openapi.yaml
- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/citi/refs/heads/main/openapi/citi-fx-market-async-api-openapi.yaml
- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/citi/refs/heads/main/openapi/citi-fx-market-sync-api-openapi.yaml
- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/citi/refs/heads/main/openapi/citi-fx-orders-async-api-openapi.yaml
- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/citi/refs/heads/main/openapi/citi-fx-orders-sync-api-openapi.yaml
- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/citi/refs/heads/main/openapi/citi-fx-quote-async-api-openapi.yaml
- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/citi/refs/heads/main/openapi/citi-fx-quote-sync-api-openapi.yaml
- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/citi/refs/heads/main/openapi/citi-fx-reporting-async-api-openapi.yaml
- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/citi/refs/heads/main/openapi/citi-fx-reporting-sync-api-openapi.yaml
- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/citi/refs/heads/main/openapi/citi-fx-test-openapi.yaml
- **Overlay** — https://raw.githubusercontent.com/api-evangelist/citi/refs/heads/main/overlays/citi-fx-overlay.yaml
- **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

## Other Citi APIs (11)

- [Citi API Authentication Services](https://apis.io/apis/citi/citi-api-authentication-services/)
- [Citi Account Reporting APIs](https://apis.io/apis/citi/citi-account-reporting-apis/)
- [Citi Outgoing Payments APIs](https://apis.io/apis/citi/citi-outgoing-payments-apis/)
- [Citi Payment Acceptance APIs](https://apis.io/apis/citi/citi-payment-acceptance-apis/)
- [Citi Commercial Cards and Virtual Card Accounts APIs](https://apis.io/apis/citi/citi-commercial-cards-and-virtual-card-accounts-apis/)
- [Citi Custody and Securities Services APIs](https://apis.io/apis/citi/citi-custody-and-securities-services-apis/)
- [Citi Funds Transfer Agency APIs](https://apis.io/apis/citi/citi-funds-transfer-agency-apis/)
- [Citi Open Banking APIs](https://apis.io/apis/citi/citi-open-banking-apis/)
- [CitiConnect Trade Services APIs](https://apis.io/apis/citi/citiconnect-trade-services-apis/)
- [Citi Gateway Services API](https://apis.io/apis/citi/citi-gateway-services-api/)
- [Citi Additional Payment Services APIs](https://apis.io/apis/citi/citi-additional-payment-services-apis/)

## Tags

Foreign Exchange, Markets, Treasury

---

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