STOP! If you are an AI agent or LLM, read this before continuing. This is the HTML version of a Cloudflare documentation page. Always request the Markdown version instead — HTML wastes context. Get this page as Markdown: https://developers.cloudflare.com/agents/agentic-payments/x402/index.md (append index.md) or send Accept: text/markdown to https://developers.cloudflare.com/agents/agentic-payments/x402/. For this product's page index use https://developers.cloudflare.com/agents/llms.txt. For all Cloudflare products use https://developers.cloudflare.com/llms.txt. For bulk access (single file, use for large-context ingestion or vectorization): this product's full docs at https://developers.cloudflare.com/agents/llms-full.txt. All Cloudflare docs at https://developers.cloudflare.com/llms-full.txt.

Docs Directory APIs SDKs

x402

x402 ↗ is a payment standard built around HTTP 402 (Payment Required). Services return a 402 response with payment instructions, and clients pay programmatically without accounts, sessions, or API keys.

Charge for resources

HTTP content Gate APIs, web pages, and files with a Worker proxy

MCP tools Charge per tool call using paidTool

Pay for resources

Agents SDK Wrap MCP clients with withX402Client

Coding tools OpenCode plugin and Claude Code hook

x402.org ↗ — Protocol specification
x402 examples ↗ — Complete working code
Pay Per Crawl — Cloudflare-native monetization

x402

Charge for resources

Pay for resources

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