# PayAI Documentation

## Docs

- [PayAI Introduction](https://docs.payai.network/introduction.md): Overview of PayAI and the agentic future.
- [Contributing](https://docs.payai.network/project-info/contributing.md): How to contribute to the PayAI ecosystem and documentation.
- [Official Links](https://docs.payai.network/project-info/official-links.md): Official resources, links, and contract addresses for PayAI and $PAYAI.
- [Token Use & Legal Disclaimer](https://docs.payai.network/project-info/token-use-and-legal-disclaimer.md): Intended use, risks, and legal disclaimer for the $PAYAI utility token.
- [Tokenomics](https://docs.payai.network/project-info/tokenomics.md): Overview of $PAYAI token supply, treasury, liquidity, and unlocks.
- [x402 Echo Merchant V1 Getting Started](https://docs.payai.network/v1/x402-echo/getting-started.md): Legacy Echo Merchant setup (V1).
- [x402 Echo Merchant V1 Introduction](https://docs.payai.network/v1/x402-echo/introduction.md): Legacy Echo Merchant overview (V1).
- [Client Introduction (x402 v1)](https://docs.payai.network/v1/x402/clients/introduction.md): Learn how to support x402 in your client
- [httpx client quickstart (Python, V1)](https://docs.payai.network/v1/x402/clients/python/httpx.md): Make x402 payments with Python httpx (legacy).
- [requests client quickstart (Python, V1)](https://docs.payai.network/v1/x402/clients/python/requests.md): Make x402 payments with Python requests (legacy).
- [Axios client quickstart (TypeScript, V1)](https://docs.payai.network/v1/x402/clients/typescript/axios.md): Make x402 payments with Axios (legacy).
- [Fetch client quickstart (TypeScript, V1)](https://docs.payai.network/v1/x402/clients/typescript/fetch.md): Make x402 payments with Fetch (legacy).
- [Facilitator Introduction (x402 v1)](https://docs.payai.network/v1/x402/facilitators/introduction.md): Learn about the role of an x402 facilitator
- [x402 V1 Introduction](https://docs.payai.network/v1/x402/introduction.md): Legacy x402 V1 protocol documentation
- [x402 V1 Quickstart](https://docs.payai.network/v1/x402/quickstart.md): Legacy x402 quickstart.
- [x402 Reference (x402 v1)](https://docs.payai.network/v1/x402/reference.md): Reference documentation for the x402 protocol
- [Merchant Introduction (x402 v1)](https://docs.payai.network/v1/x402/servers/introduction.md): Learn how to sell services with x402.
- [FastAPI server quickstart (Python, V1)](https://docs.payai.network/v1/x402/servers/python/fastapi.md): Accept x402 payments with FastAPI (legacy).
- [Flask server quickstart (Python, V1)](https://docs.payai.network/v1/x402/servers/python/flask.md): Accept x402 payments with Flask (legacy).
- [Express server quickstart (TypeScript, V1)](https://docs.payai.network/v1/x402/servers/typescript/express.md): Accept x402 payments with Express (legacy).
- [Hono server quickstart (TypeScript, V1)](https://docs.payai.network/v1/x402/servers/typescript/hono.md): Accept x402 payments with Hono (legacy).
- [Next.js server quickstart (TypeScript, V1)](https://docs.payai.network/v1/x402/servers/typescript/nextjs.md): Accept x402 payments with Next.js (legacy).
- [Supported Networks (x402 v1)](https://docs.payai.network/v1/x402/supported-networks.md): See networks that are supported by the PayAI Facilitator for the x402 protocol
- [x402 Echo Merchant Getting Started](https://docs.payai.network/x402-echo/getting-started.md): Echo Merchant setup and testing.
- [x402 Echo Merchant Introduction](https://docs.payai.network/x402-echo/introduction.md): Echo Merchant overview and use cases.
- [Go net/http client quickstart](https://docs.payai.network/x402/clients/go/http.md): Make x402 payments with Go standard HTTP client.
- [Client Introduction](https://docs.payai.network/x402/clients/introduction.md): Learn how to support x402 in your client
- [httpx client quickstart (Python)](https://docs.payai.network/x402/clients/python/httpx.md): Make x402 payments with Python httpx (async).
- [requests client quickstart (Python)](https://docs.payai.network/x402/clients/python/requests.md): Make x402 payments with Python requests (sync).
- [Axios client quickstart (TypeScript)](https://docs.payai.network/x402/clients/typescript/axios.md): Make x402 payments with Axios.
- [Fetch client quickstart (TypeScript)](https://docs.payai.network/x402/clients/typescript/fetch.md): Make x402 payments with Fetch.
- [Facilitator Introduction](https://docs.payai.network/x402/facilitators/introduction.md): Learn about the role of an x402 facilitator
- [Facilitator Pricing](https://docs.payai.network/x402/facilitators/pricing.md): PayAI Facilitator pricing — free tier, per-transaction pricing, and credits
- [x402 Introduction](https://docs.payai.network/x402/introduction.md): Learn about the x402 protocol
- [x402 Quickstart](https://docs.payai.network/x402/quickstart.md): High-level x402 getting started.
- [x402 Reference](https://docs.payai.network/x402/reference.md): Reference documentation for the x402 protocol
- [x402 Client Manual Flow (TypeScript)](https://docs.payai.network/x402/clients/typescript/manual-flow.md): Step-by-step guide to implementing the x402 payment protocol manually in TypeScript without SDK wrappers.
- [x402 Client Manual Flow (Python)](https://docs.payai.network/x402/clients/python/manual-flow.md): Step-by-step guide to implementing the x402 payment protocol manually in Python without SDK wrappers.
- [x402 Server Manual Flow (TypeScript)](https://docs.payai.network/x402/servers/typescript/manual-flow.md): Step-by-step guide to building the x402 PAYMENT-REQUIRED response manually in TypeScript without server SDK or middleware.
- [x402 Server Manual Flow (Python)](https://docs.payai.network/x402/servers/python/manual-flow.md): Step-by-step guide to building the x402 PAYMENT-REQUIRED response manually in Python without server SDK or middleware.
- [Gin server quickstart (Go)](https://docs.payai.network/x402/servers/go/gin.md): Accept x402 payments with Gin (Go).
- [Merchant Introduction](https://docs.payai.network/x402/servers/introduction.md): Learn how to sell services with x402.
- [FastAPI server quickstart (Python)](https://docs.payai.network/x402/servers/python/fastapi.md): Accept x402 payments with FastAPI.
- [Flask server quickstart (Python)](https://docs.payai.network/x402/servers/python/flask.md): Accept x402 payments with Flask.
- [Express server quickstart (TypeScript)](https://docs.payai.network/x402/servers/typescript/express.md): Accept x402 payments with Express.
- [Hono server quickstart (TypeScript)](https://docs.payai.network/x402/servers/typescript/hono.md): Accept x402 payments with Hono.
- [Next.js server quickstart (TypeScript)](https://docs.payai.network/x402/servers/typescript/nextjs.md): Accept x402 payments with Next.js.
- [Supported Networks](https://docs.payai.network/x402/supported-networks.md): See networks that are supported by the PayAI Facilitator for the x402 protocol


## Optional

- [Github](https://github.com/PayAINetwork)
- [Support](https://discord.gg/eWJRwMpebQ)