# Eleven Pay developer documentation

> Eleven Pay is a pilot payment connector for Kazakhstan. This index lists the machine-readable contract
> and the pages an AI coding agent needs to integrate a merchant website. The public production API host is
> NOT decided: the base URL is provided at onboarding and must be configurable (ELEVENPAY_BASE_URL).
> There is no sandbox with real money; develop and test offline with the kits below.
> Eleven Pay is an independent service, not affiliated with or endorsed by any bank or payment provider.

## Machine-readable
- [OpenAPI 3.1 (four public operations)](/openapi.json)
- [Merchant kit: Python + Node.js + shared test vectors + cURL scripts](/downloads/eleven-pay-merchant-kit.zip)

## Start here
- [AI agent integration guide (English)](/ai-agents): ground rules, mapping, webhook verification, duplicates, late payments
- [Getting started (ru)](/): overview and status
- [Quickstart (ru)](/quickstart)
- [Production integration checklist (ru)](/checklist)

## Cashier invoices (push a payment request to the payer's phone)
- [Overview](/cashier/overview)
- [Create an invoice: POST /v1/cashier/invoices](/cashier/create)
- [Status, uncertainty, merchant-side expiry, late payments](/cashier/status)

## Shared concepts
- [Authentication and capabilities](/authentication)
- [Idempotency](/payments/idempotency)
- [Errors](/api/errors)
- [Webhook signatures](/webhooks/signatures)
- [Webhook events](/webhooks/events)
- [Webhook delivery and retries](/webhooks/retries)
- [Idempotent fulfilment](/webhooks/fulfillment)
- [Security checklist](/security)

## Payments with a payment action (QR / redirect)
- [Create a payment](/payments/create)
- [Payment object](/payments/object)
- [Reconciliation](/payments/reconciliation)

## Integrations and testing
- [Python](/integrations/python)
- [Node.js](/integrations/nodejs)
- [cURL](/integrations/curl)
- [Local testing](/integrations/local-testing)
- [Changelog](/changelog)

## Optional
- [Kazakh onboarding](/kk/)