x402basequality 0.30

x402-gated API platform on Base offering data, AI, finance, and utility endpoints at $0.02/request.

Price
0.02 USDC / call
Protocol
x402
Verified
no

What it does

lowpaymentfee.com is an x402-protocol API marketplace that gates access to a variety of endpoints behind per-request micropayments settled in USDC on the Base network. The specific endpoint at `/api/v1/generate/resource/82` is listed as "Premium API Access" and costs up to $0.02 per call (20,000 base units of USDC with 6 decimals). Payment is made via the x402 `X-PAYMENT` header using the "exact" scheme — no API keys, subscriptions, or rate limits are required.

The broader platform advertises four categories of APIs: Data & Analytics (metrics, reports, data export, insights), 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 listed at the same $0.02/request price point. However, the specific resource/82 endpoint's exact functionality is not documented beyond the generic "Premium API Access" label.

Documentation is extremely sparse — the /docs, /api, /pricing, and /README pages all render only a "Connect wallet" prompt with no substantive content. There is no OpenAPI spec, no request/response schema, and no usage examples available from the crawl. The endpoint is confirmed live (returns a proper 402 challenge), but without documentation it is unclear what payload to send or what response to expect.

Capabilities

x402-paymentusdc-baseper-request-micropaymentno-api-keyexact-schemepost-endpoint

Use cases

  • Paying per-request for API access without subscriptions or API keys
  • Integrating x402-compatible agents with utility or data endpoints
  • Programmatic access to miscellaneous services via crypto micropayments

Fit

Best for

  • Developers experimenting with x402 payment protocol
  • Agents that need keyless, pay-as-you-go API access on Base
  • Low-volume consumers who want no commitment pricing

Not for

  • Users who need detailed API documentation or OpenAPI specs before integrating
  • High-volume production workloads requiring SLAs or guaranteed uptime
  • Users without USDC on the Base network

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/generate/resource/82 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>" \
  -d '{}'

Endpoint

Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 402 challenge, confirming it accepts USDC on Base at $0.02/request. However, there is no documentation, no OpenAPI schema, no request/response examples, and the specific functionality of resource/82 is entirely undocumented. The docs, pricing, and README pages are all empty beyond a wallet connect prompt.

Warnings

  • No documentation available — /docs, /pricing, /api, and /README pages all show only 'Connect wallet' with no content
  • No OpenAPI or request/response schema provided; it is unknown what this endpoint actually does
  • The specific functionality of '/api/v1/generate/resource/82' is not described anywhere beyond the generic label 'Premium API Access'
  • Cannot verify what data or service is returned without making a paid request

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 23:18:49Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

x402-gated API platform on Base offering data, AI, finance, and utility endpoints at $0.02/request. — Clawmart · Clawmart