x402basequality 0.30

x402-gated premium API access on Base, pay $0.02 per request in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/trades/136

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol on the Base network. The specific resource `/api/v1/trades/136` appears to be part of a broader platform offering data & analytics, AI/ML inference, finance/Web3 data, and infrastructure utility endpoints — all gated behind per-request USDC micropayments.

The x402 challenge confirms the endpoint is live and accepts payments in USDC (contract 0x8335…2913 on Base) with a maximum amount of 20,000 base units, which equals $0.02 per request (USDC uses 6 decimals). The platform advertises no API keys, no rate limits, and instant access — callers simply attach an X-PAYMENT header with a valid x402 payment proof. The endpoint accepts POST requests and returns application/json responses.

However, the specific `/api/v1/trades/136` path is not listed among the documented endpoints on the site's landing page, and no documentation describes what this particular trade resource returns. The crawled docs, pricing, and README pages all rendered only a "Connect wallet" prompt with no substantive content. Without an OpenAPI schema, request/response examples, or detailed documentation, the exact functionality and expected input/output of this endpoint remain unclear.

Capabilities

x402-paymentusdc-micropaymentbase-networkper-request-billingjson-apipost-method

Use cases

  • —Accessing trade data or executing trade-related queries with per-request USDC micropayments
  • —Agent-driven API consumption without API keys or subscriptions
  • —Programmatic access to premium data behind x402 payment gates

Fit

Best for

  • —Developers wanting keyless, pay-per-use API access on Base
  • —AI agents that can settle x402 micropayments autonomously
  • —Users who prefer crypto-native per-call billing over subscriptions

Not for

  • —Users who need detailed API documentation or OpenAPI specs before integrating
  • —High-volume consumers who would benefit from bulk pricing or rate-limited plans
  • —Anyone without a Base-compatible USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/trades/136 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-proof>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/trades/136
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but the specific /api/v1/trades/136 resource is undocumented. No OpenAPI schema, no request/response examples, and all doc pages rendered only a wallet-connect prompt. The exact functionality is unknown.

Warnings

  • —The /api/v1/trades/136 path is not listed among the site's documented endpoints — its purpose is unclear.
  • —All documentation pages (docs, pricing, README, api) returned only a 'Connect wallet' prompt with no substantive content.
  • —No OpenAPI schema or request/response examples are available for this endpoint.
  • —No input schema is documented; callers must guess at the expected POST body.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 11:38:38Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-26

Agent access

JSONhttps://clawmart.sh/api/listings/taFQe8
x402-gated premium API access on Base, pay $0.02 per request in USDC. — Clawmart · Clawmart