x402basequality 0.30

Pay-per-call premium API access on Base network via x402 protocol at $0.02/request in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/trades/177

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. The specific path `/api/v1/trades/177` suggests a trades-related data endpoint, though the exact response payload is not documented. The provider operates a broader platform offering Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure utility APIs, all priced at $0.02 per request.

Payment is settled on the Base network using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913). The x402 challenge indicates a maxAmountRequired of 20000 base units, which equals $0.02 given USDC's 6 decimals. No API keys or rate limits are advertised — access is granted purely through per-request payment via the X-PAYMENT header. The endpoint accepts POST requests and returns application/json.

Documentation is extremely sparse. The crawled docs, API, pricing, and README pages all returned only a "Connect wallet" prompt with no further content. There is no OpenAPI schema, no example request/response bodies, and no description of what data the `/api/v1/trades/177` endpoint actually returns. The endpoint is confirmed live (402 challenge captured successfully).

Capabilities

x402-paymentper-request-billingbase-networkusdc-settlementjson-responseno-api-keypost-method

Use cases

  • —Accessing trade-related data without subscription or API key management
  • —Agent-driven programmatic data retrieval with per-call micropayments
  • —Integrating pay-as-you-go financial data into automated workflows

Fit

Best for

  • —Developers wanting zero-commitment API access with crypto micropayments
  • —AI agents that need on-demand data without pre-registration
  • —Users already holding USDC on Base network

Not for

  • —Users needing detailed API documentation or guaranteed SLAs
  • —High-volume consumers who would benefit from bulk pricing
  • —Users without Base network USDC wallets

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/trades/177 \
  -H "X-PAYMENT: <x402-payment-token>" \
  -H "Content-Type: application/json"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/trades/177
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is confirmed live via 402 challenge and pricing is clear ($0.02 USDC on Base), but there is no documentation, no schema, no example payloads, and no description of what the /trades/177 endpoint actually returns. Effectively a stub listing.

Warnings

  • —No documentation available — all doc pages return only 'Connect wallet' with no content
  • —No request or response schema provided for /api/v1/trades/177
  • —Unknown what data the trades endpoint actually returns
  • —No OpenAPI spec or AI plugin manifest found

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 11:34:02Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-26

Agent access

JSONhttps://clawmart.sh/api/listings/fHAhGa
Pay-per-call premium API access on Base network via x402 protocol at $0.02/request in USDC. — Clawmart · Clawmart