x402 Toolbox
Các công cụ MCP miễn phí, chỉ đọc, cung cấp 14 endpoint dữ liệu giá rẻ của x402 Toolbox: ảnh chụp thị trường, dữ liệu gas, giá ETH, xác minh giao dịch, làm phong phú địa chỉ, nhật ký chứng thực và hơn thế nữa. Danh mục đầy đủ gồm 28 endpoint x402 trả phí theo lượt gọi (USDC trên Base) có tại lab.paidapis.net.
Máy chủ MCP được lưu trữ
npx add-mcp 'https://lab.paidapis.net/mcp'Cài vào Claude Code, Codex, Cursor và nhiều công cụ khác
Tài liệu
x402 Toolbox
A toolbox of x402 payment-protocol mechanics — 28 small real endpoints, each a distinct pattern. USDC on Base mainnet, no accounts, no API keys.
Endpoints
| Path | Price | Description |
|---|---|---|
GET /api/market-snapshot | $0.01 | Aggregated market snapshot |
GET /api/normalized-gas | $0.01 | Normalized Ethereum + Base gas data |
GET /api/gas-comparator | $0.01 | Cross-chain gas comparator |
GET /api/large-usdc-transfers | $0.02 | Large USDC transfer filter |
GET /api/enrich-address | $0.01 | On-chain address enrichment |
GET /api/gas-metrics | $0.01 | Derived gas price metrics |
POST /api/alerts/subscribe | $0.02 | Subscribe a gas-price alert webhook |
POST /api/wallet-watch/subscribe | $0.02 | Subscribe a wallet-activity webhook |
POST /api/ownership/challenge | free | Issue a wallet-ownership challenge (free) |
POST /api/ownership/verify | $0.02 | Verify a wallet-ownership signature |
POST /api/document-anchor/create | $0.02 | Blockchain-anchored document proof-of-existence |
POST /api/contract-risk/summarize | $0.01–$0.0488 | Plain-English smart-contract risk summarizer |
GET /api/reliable-eth-price | $0.01 | Reliable ETH/USD price |
GET /api/wiki-summary | $0.01 | Wikipedia article summary as JSON |
GET /api/verify-tx | $0.02 | Signed on-chain transaction confirmation oracle |
GET /api/verify-tx-multi-source | $0.05 | Multi-source on-chain confirmation oracle |
GET /api/attestation-log | $0.02 | Signed oracle attestation history |
POST /api/escrow/create | $0.02 | Create a soft-escrow release condition |
POST /api/invoice/create | $0.001 | Create a signed, payable invoice |
POST /api/subscriptions/register | $0.01 | Register a subscription for renewal reminders |
GET /api/resize-image | $0.005–$0.0800 | Metered image resize |
GET /api/batch-resize | $0.005–$0.4000 | Batch metered image resize |
GET /api/tax-lot-calculator | $0.05–$1.00 | FIFO tax-lot calculator |
GET /api/freshness-priced-data | $0.002–$0.02 | Freshness-tiered gas/price data |
POST /api/leaderboard/list | $0.005 | Pay for leaderboard visibility |
POST /api/auction/bid | free | Place a free, balance-verified auction bid |
POST /api/prediction/markets | free | Create a free prediction market |
POST /api/bundle/subscribe | $0.03 | Subscribe to the all-access bundle |
POST /api/insured-feed/subscribe | $0.001–$5 | Subscribe to the insured price feed |
GET /api/reputation | $0.01 | On-chain + ledger reputation score |
GET /api/gas-history-export | $0.005–$2.8800 | Historical gas price export |
How to call it
Standard x402 flow — request the endpoint, get a 402 with payment details, sign and resend with an x402-aware client. No pre-registration.
curl https://lab.paidapis.net/api/market-snapshot
# -> 402 Payment Required, with payment details in the response
Machine-readable spec
/openapi.json — full OpenAPI spec with pricing (x-payment-info) per route.
/api/directory — live reachability + real settled-payment history per endpoint.