x402basequality 0.30

Pay-per-call premium API endpoint on Base via x402, settled in USDC at $0.02/request.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/endpoint-59

What it does

This x402-enabled endpoint at lowpaymentfee.com provides a "Premium API Access" service accessible via HTTP POST with per-request payment in USDC on the Base network. The endpoint returns a standard 402 Payment Required challenge, advertising a maximum cost of 20,000 base units of USDC (0.02 USD per request, since USDC uses 6 decimals). Payment is settled on-chain to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3.

The specific endpoint /api/endpoint-59 is not listed among the named APIs on the provider's landing page, which catalogs endpoints across Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure categories — all priced at $0.02/request. Without documentation or an OpenAPI schema for this particular endpoint, its exact functionality is unclear. The provider advertises no API keys, no rate limits, and instant access across all their endpoints.

The provider's docs, pricing, and API pages all render only a "Connect wallet" prompt with no further content, so detailed request/response schemas and usage examples are unavailable. The endpoint is confirmed live (402 challenge captured), but the lack of documentation for this specific path means callers must discover its behavior experimentally.

Capabilities

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

Use cases

  • —Agent-initiated API calls with automatic per-request USDC payment on Base
  • —Accessing premium data or services without traditional API key registration
  • —Programmatic pay-as-you-go access from wallets or x402-compatible clients

Fit

Best for

  • —Developers or agents with x402-compatible payment infrastructure
  • —Users who want keyless, pay-per-use API access on Base
  • —Low-volume callers who prefer no subscription commitments

Not for

  • —Users needing detailed API documentation or guaranteed SLAs before integrating
  • —High-volume consumers who need bulk pricing or rate-limit guarantees
  • —Anyone without a Base-network USDC wallet or x402 client

Quick start

curl -X POST https://lowpaymentfee.com/api/endpoint-59 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-header>" \
  -d '{}'

Endpoint

URLhttps://lowpaymentfee.com/api/endpoint-59
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 challenge, but /api/endpoint-59 is not documented anywhere on the provider's site. No OpenAPI schema, no request/response examples, and all doc pages render only 'Connect wallet'. The specific functionality of this endpoint is unknown.

Warnings

  • —Endpoint /api/endpoint-59 is not listed among the provider's documented APIs — its purpose is unclear.
  • —All documentation pages (docs, pricing, API, README) render only 'Connect wallet' with no usable content.
  • —No OpenAPI or output schema available; request and response formats are unknown.
  • —The provider lists many endpoints but provides no detailed documentation for any of them.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 20:38:33Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-23

Agent access

JSONhttps://clawmart.sh/api/listings/DYnT9n
Pay-per-call premium API endpoint on Base via x402, settled in USDC at $0.02/request. — Clawmart · Clawmart