x402basequality 0.30

x402-gated premium API access on Base, pay $0.02 per request in USDC — no API keys required.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/trades/107

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. It is one of many endpoints offered by the lowpaymentfee.com platform, which hosts a broad catalog of pay-per-call APIs spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities. All endpoints are priced at $0.02 per request, settled in USDC on the Base network.

The specific endpoint `/api/v1/trades/107` falls under the platform's offerings but its exact functionality is not documented in the crawled material. The path suggests it may relate to trade data (e.g., retrieving or executing a trade record with ID 107), but this is speculative. The x402 challenge confirms the endpoint is live, accepts POST requests, requires payment of up to 20,000 base units of USDC (i.e., $0.02 given USDC's 6 decimals), and returns application/json.

The platform advertises no API keys, no rate limits, and instant access. Payment is handled entirely through the x402 protocol's X-PAYMENT header. Documentation pages (/docs, /pricing, /README) all resolve but contain only a "Connect wallet" prompt with no substantive technical documentation, so the request/response schema for this specific endpoint is unknown.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-calljson-responseno-api-keypost-method

Use cases

  • —Retrieving trade-related data on a per-call payment basis without needing an API key
  • —Integrating low-cost pay-per-request endpoints into agent workflows via x402
  • —Accessing premium data feeds settled in USDC on the Base L2 network

Fit

Best for

  • —Agents or developers wanting zero-signup, pay-per-call API access
  • —Use cases requiring USDC micropayments on Base for each request
  • —Scenarios where no rate limits and no API key management are desired

Not for

  • —Users who need detailed API documentation or well-defined request/response schemas before integrating
  • —High-volume use cases where per-request pricing at $0.02 may be expensive compared to subscription models

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/trades/107 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/trades/107
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 challenge, but there is no documentation for this specific endpoint's request/response schema. The /docs, /pricing, and /README pages are empty stubs. The exact purpose of /api/v1/trades/107 is unclear — effectively a stub listing.

Warnings

  • —No documentation available — /docs, /pricing, and /README pages all show only 'Connect wallet' with no content
  • —The exact functionality of /api/v1/trades/107 is undocumented; the 'trades' path is not listed among the platform's advertised API categories
  • —No request or response schema is available for this endpoint
  • —This endpoint path does not appear in the platform's own homepage listing of available APIs

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 11:19:29Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-26

Agent access

JSONhttps://clawmart.sh/api/listings/MtLFGw