x402basequality 0.25

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

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/benefits/65

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 lowpaymentfee.com platform, which hosts a broad catalog of pay-per-call APIs spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities. All endpoints on the platform share a uniform $0.02 per-request pricing model, settled in USDC on the Base network.

The specific endpoint `/api/v1/benefits/65` is labeled "Premium API Access" in the x402 challenge but lacks further documentation about what data or functionality it returns. The platform advertises no API keys, no rate limits, and instant access — callers simply attach an x402 payment header with each request. The x402 challenge confirms the endpoint is live, accepts POST requests, requires up to 20,000 base units of USDC (i.e., $0.02 given USDC's 6 decimals), and pays out to a specified Ethereum address on Base.

Because the crawled documentation pages (docs, pricing, README) all resolve to a minimal "Connect wallet" page with no additional content, the actual behavior, input parameters, and response schema of this specific endpoint remain unknown. The platform appears to be a demonstration or early-stage project showcasing x402 micropayment integration rather than a mature API provider with comprehensive documentation.

Capabilities

x402-paymentusdc-basepay-per-requesthttp-postmicropayment

Use cases

  • —Testing x402 payment protocol integration with a low-cost endpoint
  • —Demonstrating micropayment-gated API access on the Base network
  • —Exploring pay-per-request API consumption without API keys or subscriptions

Fit

Best for

  • —Developers experimenting with x402 payment flows
  • —Agents that need a cheap test endpoint for x402 integration
  • —Projects exploring keyless, pay-per-call API architectures

Not for

  • —Production workloads requiring well-documented API contracts and SLAs
  • —Users who need detailed input/output schemas before calling an endpoint
  • —Anyone without a Base-network USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/benefits/65 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/benefits/65
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The endpoint is live and returns a valid x402 challenge, but there is no documentation, no input/output schema, and no description of what 'Premium API Access' actually returns. The docs, pricing, and README pages are all empty beyond a wallet-connect prompt. This is effectively a stub listing.

Warnings

  • —No documentation available — docs, pricing, and README pages all show only 'Connect wallet'
  • —The purpose and response format of /api/v1/benefits/65 ('Premium API Access') is completely undocumented
  • —Platform appears to be early-stage or a demo; reliability and uptime are unknown
  • —No OpenAPI spec, no output schema, no example responses provided

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 16:39:39Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/ZBwuvL
x402-gated premium API access on Base, pay $0.02 per request in USDC. — Clawmart · Clawmart