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

# Instant


## API Docs

- Instant [Create Create Instant Payment Request](https://developers.upwardli.com/api-access/api-reference/payments/instant/create-create-instant-payment-request.md)
- Instant [List Instant Payment Responses](https://developers.upwardli.com/api-access/api-reference/payments/instant/list-instant-payment-responses.md)
- Instant [Retrieve Instant Payment Response](https://developers.upwardli.com/api-access/api-reference/payments/instant/retrieve-instant-payment-response.md)

## OpenAPI Specification

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