> ## Documentation Index
> Fetch the complete documentation index at: https://docs.y.uno/llms.txt
> Use this file to discover all available pages before exploring further.

# Yuno developer resources

> Named entry points for the Yuno Payments API: OpenAPI spec, authentication, webhooks, SDKs, MCP server, and credentials.

> One page for humans and agents. Use these named entry points to integrate Yuno Payments.

Yuno is a payment orchestration platform. This page lists the developer resources agents and engineers look up by name.

## Yuno API docs

* [Yuno API overview](/reference/getting-started/api-reference-overview) — REST API structure, services, and links into the full reference
* [Yuno documentation home](/) — guides, SDKs, changelog
* Full machine index: [llms.txt](https://docs.y.uno/llms.txt)

## Yuno OpenAPI specification

Machine-readable OpenAPI 3.1 for the Yuno Payments API, aggregated from the same per-operation specs that power the API reference: payments, customers, checkout, subscriptions, payouts, banking connectivity, and more.

| Resource                | URL                                                                |
| ----------------------- | ------------------------------------------------------------------ |
| **Yuno OpenAPI (JSON)** | [https://docs.y.uno/openapi.json](https://docs.y.uno/openapi.json) |
| **Yuno OpenAPI (YAML)** | [https://docs.y.uno/openapi.yaml](https://docs.y.uno/openapi.yaml) |

Import the OpenAPI file into Postman, Insomnia, or your codegen toolchain.

## Yuno API authentication

* [Authentication](/reference/getting-started/authentication) — `public-api-key`, `private-secret-key`, and idempotency
* [API environments](/reference/getting-started/api-environments) — sandbox and production base URLs
* [Developers (credentials)](/docs/using-yuno/settings/developers-credentials) — create and rotate keys in the Yuno Dashboard

Dashboard credentials: [https://dashboard.y.uno/developers](https://dashboard.y.uno/developers)

## Yuno webhooks

* [Webhooks overview](/docs/webhooks) — delivery, retries, event types
* [Configure webhooks](/docs/webhooks/configure-webhooks) — endpoints and triggers in the Dashboard
* [Webhook object and examples](/docs/webhooks/object-and-examples) — payload shapes
* [Verify webhook signatures (HMAC)](/docs/webhooks/verify-webhook-signatures-hmac) — request authenticity
* [Webhooks API reference](/reference/webhooks) — create, list, update, delete webhook subscriptions

## Yuno MCP server

Connect AI coding agents and automation clients to Yuno:

* [Model Context Protocol (MCP) setup](/setup-mcp) — docs MCP for Cursor, Windsurf, and similar tools
* [Remote Yuno MCP Server](/docs/ai-capabilities/remote-yuno-mcp-server) — hosted MCP endpoint with API key auth
* [Building AI integrations with Yuno LLMs and MCP](/docs/ai-capabilities/building-ai-integrations-with-yunos-llms-and-mcp) — LLM-ready docs and MCP tools overview

## Yuno SDKs

* [SDK quickstart](/docs/sdks/overview/quickstart)
* [Choose an integration](/docs/sdks/overview/choose-integration) — Seamless, Lite, Headless, and secure fields
* Platforms: Web, iOS, Android, Flutter, React Native (see the SDKs section in the sidebar)

## Quick start for agents

1. Read this page and [llms.txt](https://docs.y.uno/llms.txt)
2. Load the [Yuno OpenAPI](https://docs.y.uno/openapi.json) spec
3. Authenticate per the [Authentication](/reference/getting-started/authentication) guide
4. Create a payment using the Payments API or an SDK quickstart
5. Subscribe to [webhooks](/docs/webhooks) for asynchronous status updates

## Related

* [What is Yuno?](/docs/how-yuno-works/what-is-yuno)
* [Create your first payment](/docs/how-yuno-works/step-2-your-first-payment)
* [API changelog](/changelog/api)