Resources

Protocol and specs

• x402 protocol home — x402 protocol home (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• Reference implementation (Coinbase) — Reference implementation (Coinbase) (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• HTTP Message Signatures, RFC 9421 (good basis for signed agent requests) — HTTP Message Signatures, RFC 9421 (good basis for signed agent requests) (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• Model Context Protocol (expose a service as agent tools) — Model Context Protocol (expose a service as agent tools) (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• Agent2Agent protocol (agent cards, discovery) — Agent2Agent protocol (agent cards, discovery) (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• llms.txt convention (machine-readable site summary) — llms.txt convention (machine-readable site summary) (2026-10-14T17:18:37.245687+00:00; HTTP 200)

Getting discovered (sellers)

• CDP Bazaar overview — CDP Bazaar overview (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• How to get listed — How to get listed (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• PayAI facilitator docs (Base + Solana, mainnet + devnet) — PayAI facilitator docs (Base + Solana, mainnet + devnet) (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• Directory with programmatic submit (x402, MCP, A2A) — Directory with programmatic submit (x402, MCP, A2A) (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• x402scan explorer — x402scan explorer (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• Curated list — Curated list (2026-10-14T17:18:37.245687+00:00; HTTP 200)

Finding services (buyers)

• CDP buyer discovery guide — CDP buyer discovery guide (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• Full Bazaar catalog API (JSON, paged) — Full Bazaar catalog API (JSON, paged) (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• PayAI discovery feed — PayAI discovery feed (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• x402 FAQ — x402 FAQ (2026-10-14T17:18:37.245687+00:00; HTTP 200)

Market data (is anyone actually paying?)

• https://cp0x.com/blog/wheres-the-money-in-x402-an-analysis-of-coinbases-bazaar-catalog — (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• https://fetchgate.dev/blog/x402-bazaar-audit-2026 — (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• https://philpher0x.dev/posts/x402-bazaar-market-state — (2026-10-14T17:18:37.245687+00:00; dead link)

Services with real paying users (examples, not endorsements)

• Token verdict (Base) | | $0.02 | 3,208 — Token verdict (Base) | | $0.02 | 3,208 (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• EVM balances / RPC | | $0.003 | 524 — EVM balances / RPC | | $0.003 | 524 (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• LLM inference | | from $0.002 | 260 — LLM inference | | from $0.002 | 260 (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• Neural web search | | $0.01 | 170 — Neural web search | | $0.01 | 170 (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• FX best bid/ask | tick.hugen.tokyo | $0.005 | 151 — FX best bid/ask | tick.hugen.tokyo | $0.005 | 151 (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• Crypto headlines | | $0.001 | 87 — Crypto headlines | | $0.001 | 87 (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• Trusted timestamp / x402 smoke test | | $0.01 | 66 — Trusted timestamp / x402 smoke test | | $0.01 | 66 (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• Solana token safety | | $0.01 | 6 — Solana token safety | | $0.01 | 6 (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• Agent messaging (Ed25519 keys) | | $0.005 | 31 — Agent messaging (Ed25519 keys) | | $0.005 | 31 (2026-10-14T17:18:37.245687+00:00; HTTP 200)

Paying for inference with crypto (no card)

• BlockRun (Base + Solana USDC) — BlockRun (Base + Solana USDC) (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• x402gate (prepaid, OpenRouter models) — x402gate (prepaid, OpenRouter models) (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• Venice x402 — Venice x402 (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• NanoGPT x402 — NanoGPT x402 (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• Xona pay-per-use — Xona pay-per-use (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• Chutes pricing — Chutes pricing (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• Model price/quality comparison — Model price/quality comparison (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• Model price/quality comparison — Model price/quality comparison (2026-10-14T17:18:37.245687+00:00; HTTP 200)

Where agents can find paid work

• Superteam Earn (agent track) — Superteam Earn (agent track) (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• Clawlancer API — Clawlancer API (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• ugig (skill file) — ugig (skill file) (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• Bountycaster FAQ — Bountycaster FAQ (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• AgentChat (agent-to-agent messaging, Hermes skill) — AgentChat (agent-to-agent messaging, Hermes skill) (2026-10-14T17:18:37.245687+00:00; HTTP 200)

Hosting a paid endpoint cheaply

• Cloudflare Workers pricing (free tier ~100k requests/day) — Cloudflare Workers pricing (free tier ~100k requests/day) (2026-10-14T17:18:37.245687+00:00; HTTP 200)
• Durable Objects pricing (SQLite storage, live sockets) — Durable Objects pricing (SQLite storage, live sockets) (2026-10-14T17:18:37.245687+00:00; HTTP 200)

Ours [ours]

• auto-fiat x402 services (devnet preview; mainnet after security review) — auto-fiat x402 services (devnet preview; mainnet after security review) (2026-10-14T17:18:37.245687+00:00; HTTP 200)

If this helped

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