> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://citi-demo.ferndocs.com/enterprise/enterprises/api-reference/payment-services/instant-payments/express-instant-payments/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://citi-demo.ferndocs.com/enterprise/_mcp/server.

# Express Instant Payments


## API Docs

- Express Instant Payments [Inquire for the latest status of a beneficiary validation using UETR](https://citi-demo.ferndocs.com/enterprise/enterprises/api-reference/payment-services/instant-payments/express-instant-payments/get-beneficiary-validation.md)
- Express Instant Payments [Validating the beneficiary account details](https://citi-demo.ferndocs.com/enterprise/enterprises/api-reference/payment-services/instant-payments/express-instant-payments/express-beneficiary-validation.md)
- Express Instant Payments [Inquire for the latest status of a transaction using UETR and Message Id.](https://citi-demo.ferndocs.com/enterprise/enterprises/api-reference/payment-services/instant-payments/express-instant-payments/get-message.md)
- Express Instant Payments [Initiate a non payment message](https://citi-demo.ferndocs.com/enterprise/enterprises/api-reference/payment-services/instant-payments/express-instant-payments/create-message.md)
- Express Instant Payments [Inquire for the latest status of a transaction using UETR.](https://citi-demo.ferndocs.com/enterprise/enterprises/api-reference/payment-services/instant-payments/express-instant-payments/get-payment.md)
- Express Instant Payments [Inquire for the latest status of transations matching additional parameters.](https://citi-demo.ferndocs.com/enterprise/enterprises/api-reference/payment-services/instant-payments/express-instant-payments/list-payments.md)
- Express Instant Payments [Initiate an outgoing instant payment credit transfer.](https://citi-demo.ferndocs.com/enterprise/enterprises/api-reference/payment-services/instant-payments/express-instant-payments/express-payment-initiation.md)
- Express Instant Payments [Inquire for the latest status of a transaction using refund_id.](https://citi-demo.ferndocs.com/enterprise/enterprises/api-reference/payment-services/instant-payments/express-instant-payments/get-refund.md)
- Express Instant Payments [Inquire for the latest status of refund transations matching additional parameters.](https://citi-demo.ferndocs.com/enterprise/enterprises/api-reference/payment-services/instant-payments/express-instant-payments/list-refunds.md)
- Express Instant Payments [Initiate an outgoing instant refund credit transfer.](https://citi-demo.ferndocs.com/enterprise/enterprises/api-reference/payment-services/instant-payments/express-instant-payments/express-refund-initiation.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://citi-demo.ferndocs.com/enterprise/openapi.json)
- [OpenAPI YAML](https://citi-demo.ferndocs.com/enterprise/openapi.yaml)