x402basequality 0.35

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

Price
0.02 USDC / call
Protocol
x402
Verified
no

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol, settling on the Base network in USDC. The specific endpoint `/api/v1/trades/92` appears to be part of a broader platform offering dozens of pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all priced at $0.02 per request.

The x402 challenge confirms the endpoint is live and accepts POST requests. Payment is made in USDC (contract 0x8335…2913 on Base) with a max amount of 20,000 base units, which equals $0.02 (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.

However, the specific functionality of `/api/v1/trades/92` is unclear. The endpoint path suggests it may return or process data related to a specific trade (ID 92), but no documentation, request schema, or response schema is available. The broader site lists categories like "Finance & Web3" with price feeds, exchange rates, token quotes, and gas estimates, so this trade endpoint likely falls within that financial data domain. The docs, pricing, and API pages all render only a "Connect wallet" prompt with no further content, so detailed documentation is absent.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requestno-api-keyhttp-postfinancial-data

Use cases

  • Fetching trade-related data on a per-request payment basis without needing an API key
  • Integrating low-cost financial data into agent workflows using x402 micropayments
  • Programmatic access to trade information settled in USDC on Base

Fit

Best for

  • AI agents needing keyless, pay-per-call access to financial data
  • Developers experimenting with x402 payment protocol integrations
  • Low-volume consumers who want no subscription or commitment

Not for

  • Users needing detailed API documentation or guaranteed SLAs
  • High-volume consumers who would benefit from bulk pricing or subscriptions
  • Anyone requiring non-financial/non-trade data from this specific endpoint

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/trades/92 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402_payment_proof>"

Endpoint

Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The endpoint is confirmed live via a valid 402 challenge with clear pricing ($0.02 USDC on Base). However, there is no documentation for this specific endpoint, no request/response schema, and the docs pages are empty. The purpose of /api/v1/trades/92 is only inferrable from the URL path.

Warnings

  • No documentation available — docs, pricing, and API pages all render only 'Connect wallet' with no content.
  • The specific functionality of /api/v1/trades/92 is unknown; no request or response schema is provided.
  • The endpoint path references a hardcoded trade ID (92), which may indicate a single-resource endpoint rather than a general-purpose API.
  • No OpenAPI spec, ai-plugin manifest, or agents.txt discovered.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 11:49:59Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-25

Agent access

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