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/192

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/192` appears to be part of a broader platform offering dozens of pay-per-call endpoints spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all priced at $0.02 per request in USDC.

The endpoint is live and returns a standard x402 challenge (HTTP 402) requesting payment of up to 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 given USDC's 6 decimals. Payment is sent to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 using the "exact" scheme with a 300-second timeout. The response MIME type is application/json and the intended HTTP method is POST.

However, the specific functionality behind `/api/v1/trades/192` is unclear. The endpoint path suggests a trade-related resource (possibly retrieving or executing a specific trade record), but no documentation, request schema, or response schema is available beyond the generic "Premium API Access" label. The broader site lists categories like finance/price feeds, crypto quotes, and gas estimates, so this may relate to trading data. The docs, pricing, and API pages all render only a "Connect wallet" prompt with no further content, leaving the actual behavior of this endpoint undocumented.

Capabilities

x402-paymentusdc-basepay-per-requestjson-responseno-api-keypost-method

Use cases

  • —Retrieving trade-related data via a single paid API call
  • —Integrating pay-per-request data access into agent workflows without API key management
  • —Programmatic access to premium content settled in USDC on Base

Fit

Best for

  • —Agents or bots that need keyless, pay-as-you-go API access
  • —Developers wanting to test x402 payment flows on Base
  • —Use cases requiring low-cost per-request data retrieval without subscriptions

Not for

  • —Users who need detailed API documentation or guaranteed SLAs before integrating
  • —High-volume consumers who would benefit from bulk pricing or subscription plans
  • —Anyone needing non-USDC or non-Base payment options

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/trades/192 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/trades/192
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, no request/response schema, and the specific purpose of /api/v1/trades/192 is unclear. The docs pages are empty (only 'Connect wallet'). This is effectively a stub listing.

Warnings

  • —No documentation available — docs, pricing, API, and README pages all render only 'Connect wallet'
  • —The specific functionality of /api/v1/trades/192 is undocumented; 'Premium API Access' is a generic label applied to all endpoints
  • —No request body schema or response schema provided
  • —No examples of successful responses available

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 11:36:21Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-26

Agent access

JSONhttps://clawmart.sh/api/listings/tnhbaz
x402-gated premium API access on Base, pay $0.02 per request in USDC — no API keys required. — Clawmart · Clawmart