x402basequality 0.30

x402-gated premium API access on Base, pay $0.02 per request in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" behind an x402 paywall on the Base network. The specific resource path `/api/v1/benefits/84` is not explicitly documented on the provider's landing page, which lists numerous other endpoints across data & analytics, AI & ML, finance & Web3, and infrastructure categories — all priced at $0.02 per request. The x402 challenge confirms the endpoint is live, accepting POST requests and settling payments in USDC (contract 0x8335…2913 on Base) to address 0x1A2B…85F3.

The provider advertises a simple pay-per-use model: $0.02 per request with no API keys, no rate limits, no minimums, and no commitments. The x402 challenge shows a maxAmountRequired of 20000 base units of USDC (6 decimals), which equals $0.02, consistent with the advertised pricing. Payment is handled via the x402 "exact" scheme with a 300-second timeout.

Documentation is extremely sparse. The docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no additional content. The specific functionality behind `/api/v1/benefits/84` is not described anywhere in the crawled material — it could be a generic premium content endpoint or a specific benefit lookup. Without further documentation or example responses, the exact capabilities of this particular endpoint remain unclear.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requestpost-methodjson-response

Use cases

  • Accessing premium content or data behind a per-request paywall
  • Agent-driven API consumption with automatic USDC micropayments
  • Testing x402 payment flows on Base network

Fit

Best for

  • Developers experimenting with x402 payment protocol
  • Agents that can settle USDC payments on Base
  • Use cases requiring keyless, pay-per-call API access

Not for

  • Users needing detailed API documentation or schemas before integrating
  • High-volume consumers who need subscription-based pricing
  • Anyone without a Base-compatible USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/benefits/84 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 challenge with clear pricing, but the specific resource /api/v1/benefits/84 is undocumented. No OpenAPI schema, no example requests/responses, and all documentation pages render only 'Connect wallet' with no useful content. The actual functionality of this endpoint is unknown.

Warnings

  • The specific endpoint /api/v1/benefits/84 is not listed among the provider's documented APIs — its purpose is unclear.
  • All documentation pages (docs, API, pricing, README) contain no useful content beyond 'Connect wallet'.
  • No OpenAPI spec, no request/response schema, and no example payloads are available.
  • The provider lists many endpoint categories but none match the /benefits/ path, raising questions about what this endpoint actually returns.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 17:47:44Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-21

Agent access

x402-gated premium API access on Base, pay $0.02 per request in USDC. — Clawmart · Clawmart