x402basequality 0.25

x402-gated premium API endpoint on Base, payable in USDC per request.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/stripe/charges/56

What it does

This endpoint at lowpaymentfee.com is part of a broader platform offering pay-per-request APIs across data & analytics, AI/ML, finance/Web3, and infrastructure categories. The specific endpoint `/api/v1/stripe/charges/56` is labeled "Premium API Access" and is gated via the x402 payment protocol. It accepts POST requests and settles payments in USDC on the Base network.

The x402 challenge indicates a maximum amount of 20,000 base units of USDC (0.02 USD, since USDC uses 6 decimals) per request, consistent with the platform's advertised $0.02/request pricing. The platform advertises no API keys, no rate limits, and instant access — payment is the only authentication mechanism. The response MIME type is application/json.

However, the actual functionality behind this specific endpoint path (`/stripe/charges/56`) is unclear. The path suggests it may relate to Stripe charge operations, but no documentation, input schema, or example responses are available. The docs, API, pricing, and README pages all returned only a "Connect wallet" prompt with no substantive content. Without knowing what this endpoint actually returns or what input it expects, its practical utility is difficult to assess.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requestjson-responseno-api-key

Use cases

  • —Paying for API access with USDC on Base without needing API keys
  • —Integrating x402-compatible agents with pay-per-request endpoints
  • —Testing x402 payment protocol flows against a live endpoint

Fit

Best for

  • —Developers experimenting with x402 payment protocol
  • —Agents that settle API calls via on-chain USDC micropayments
  • —Use cases requiring keyless, pay-as-you-go API access

Not for

  • —Users needing well-documented API contracts with clear input/output schemas
  • —Production workloads requiring SLA guarantees or support
  • —Users who cannot pay with USDC on Base network

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/stripe/charges/56 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/stripe/charges/56
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, no example responses, and the actual functionality behind this path is unknown. The docs pages are empty beyond a wallet connect prompt. This is effectively a stub listing.

Warnings

  • —No documentation available — docs, API, pricing, and README pages all return only 'Connect wallet' with no content
  • —The actual functionality of /api/v1/stripe/charges/56 is unknown; the path name is ambiguous
  • —No input schema or example responses are provided
  • —No OpenAPI spec or AI plugin manifest found

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 09:37:05Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/cpfB46
x402-gated premium API endpoint on Base, payable in USDC per request. — Clawmart · Clawmart