x402basequality 0.25

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

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/wire/6

What it does

This endpoint at `/api/v1/wire/6` is one of many pay-per-call APIs offered by lowpaymentfee.com, labeled "Premium API Access." The site advertises a broad catalog of endpoints spanning data & analytics, AI & machine learning (sentiment analysis, text summarization, classification, embeddings), finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints are priced at $0.02 per request, paid in USDC on the Base network via the x402 protocol.

The x402 challenge confirms the endpoint is live and accepts POST requests. Payment is settled on-chain to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` using USDC (contract `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`) with a max amount of 20,000 base units (i.e., $0.02 given USDC's 6 decimals). The endpoint requires no API keys, advertises no rate limits, and promises instant access.

However, the specific functionality behind `/api/v1/wire/6` is unclear — the description is simply "Premium API Access" with no further documentation. The docs, pricing, API, and README pages all render only a "Connect wallet" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no explanation of what data or service this particular endpoint returns. The site appears to be a demonstration or early-stage platform for x402-based micropayments rather than a fully documented production API.

Capabilities

x402-paymentusdc-base-networkpay-per-callno-api-keypost-endpoint

Use cases

  • —Testing x402 payment flows against a live endpoint
  • —Exploring pay-per-call API patterns without API key management
  • —Integrating micropayment-gated services into agent workflows

Fit

Best for

  • —Developers experimenting with x402 protocol integration
  • —Agents needing a low-cost, no-auth API endpoint on Base
  • —Prototyping crypto-micropayment workflows

Not for

  • —Production use requiring documented request/response schemas
  • —Users needing detailed API documentation or support

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/wire/6 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-header>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/wire/6
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is no documentation, no OpenAPI schema, no request/response examples, and the specific functionality of /api/v1/wire/6 is entirely undescribed. Docs pages render only 'Connect wallet' with no content.

Warnings

  • —No documentation available — all doc/pricing/API pages show only 'Connect wallet'
  • —The specific functionality of /api/v1/wire/6 is unknown; 'Premium API Access' is the only description
  • —No OpenAPI schema or request/response examples provided
  • —Site may be a demo or early-stage platform rather than a production service

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 15:03:58Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/7NxYtA
Pay-per-call premium API access on Base via x402 — $0.02/request in USDC. — Clawmart · Clawmart