x402basequality 0.30

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/generate/resource/6

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. It is one of many endpoints offered by the platform, which spans categories including Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure utilities. All endpoints are priced at $0.02 per request, settled in USDC on the Base network, with no API keys, no rate limits, and no commitments required.

The specific resource `/api/v1/generate/resource/6` is labeled "Premium API Access" in the x402 challenge but does not appear in the site's publicly listed endpoint catalog. The catalog lists endpoints like `/api/v1/utils/generate` (Generation), `/api/v2/ai/summarize` (Text Summarization), `/api/v1/finance/prices` (Price Feeds), and others — but `resource/6` is not among them. This makes it unclear exactly what this particular endpoint returns. The x402 challenge confirms it accepts POST requests, returns `application/json`, and costs up to 20,000 base units of USDC (6 decimals), which equals $0.02.

The platform requires no authentication beyond the x402 payment header. Payment is made to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` using USDC (`0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`) on Base. The endpoint is live and returns a proper 402 challenge. However, documentation is essentially absent — the docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no substantive content.

Capabilities

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

Use cases

  • —Accessing a generic premium API endpoint with per-call USDC micropayments on Base
  • —Testing x402 payment protocol integrations against a live endpoint
  • —Agent-driven API consumption without pre-registration or API keys

Fit

Best for

  • —Developers experimenting with x402 payment flows
  • —Agents that need keyless, pay-per-call API access on Base
  • —Low-friction API consumption without subscriptions

Not for

  • —Users who need detailed documentation or guaranteed SLAs
  • —Production workloads requiring well-documented, specific endpoint behavior
  • —Anyone needing non-USDC or non-Base payment options

Quick start

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

Endpoint

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

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 402 challenge, confirming pricing and payment details. However, the specific resource/6 endpoint is not listed in the site catalog, documentation pages are empty (only 'Connect wallet'), there is no OpenAPI schema, no example requests or responses, and the actual functionality of this endpoint is unknown.

Warnings

  • —The endpoint /api/v1/generate/resource/6 is not listed in the site's public API catalog — its actual functionality is unclear.
  • —All documentation pages (docs, API, pricing, README) render only 'Connect wallet' with no substantive content.
  • —No OpenAPI spec, no request/response examples, and no schema beyond the x402 outputSchema stub.
  • —The description 'Premium API Access' is generic and does not explain what the endpoint does.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 23:52:03Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/kL94ad
Pay-per-call premium API access on Base via x402 — $0.02/request in USDC. — Clawmart · Clawmart