x402basequality 0.30

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

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/wire/188

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. The site hosts a collection of pay-per-request APIs spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities. Each call costs $0.02 in USDC on the Base network, with no API keys, no rate limits, and no commitments required.

The specific endpoint `/api/v1/wire/188` is listed as "Premium API Access" and accepts POST requests. Payment is settled on-chain using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base. The x402 challenge confirms the endpoint is live and requires a maximum of 20,000 base units (i.e., $0.02 given USDC's 6 decimals) per request, with a 300-second payment timeout.

Documentation is extremely sparse — the docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no further technical detail. There is no OpenAPI schema, no request/response examples, and no description of what this particular wire endpoint actually returns. The site's landing page groups APIs into categories (analytics, AI, finance, infrastructure) but does not clarify which category `/api/v1/wire/188` belongs to or what data it provides.

Capabilities

x402-paymentusdc-base-networkpay-per-requestno-api-keyhttp-post

Use cases

  • —Programmatic access to premium data or services without subscription commitments
  • —Agent-driven API consumption with per-call crypto payments
  • —Testing x402 payment protocol integrations on Base network

Fit

Best for

  • —Developers wanting keyless, pay-per-use API access
  • —AI agents with USDC wallets on Base needing on-demand endpoints
  • —Projects exploring x402 micropayment workflows

Not for

  • —Users needing detailed API documentation or guaranteed SLAs
  • —Applications requiring high-throughput with predictable flat-rate pricing
  • —Developers without a Base-network USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/wire/188 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402_payment_token>" \
  -d '{}'

Endpoint

URLhttps://lowpaymentfee.com/api/v1/wire/188
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is confirmed live via a valid 402 challenge, and pricing is clear ($0.02 USDC on Base). However, there is no documentation, no OpenAPI schema, no request/response examples, and no explanation of what the endpoint actually does beyond the generic label 'Premium API Access'. This is effectively a stub listing.

Warnings

  • —No documentation available — docs/pricing/README pages only show 'Connect wallet'
  • —No OpenAPI or schema describing request parameters or response format
  • —Purpose of /api/v1/wire/188 is unclear; 'Premium API Access' is a generic label
  • —Cannot verify what data or service is actually returned after payment

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 15:00:59Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

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