x402basequality 0.30

x402-gated premium API endpoint on Base, payable in USDC at $0.02 per request.

Price
0.02 USDC / call
Protocol
x402
Verified
no

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" behind an x402 payment wall. It is one of many endpoints offered by the lowpaymentfee.com platform, which hosts a collection of APIs spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities — all priced at $0.02 per request with no API keys, no rate limits, and no commitments required.

The specific endpoint `/api/v1/stripe/charges/27` accepts POST requests and settles payments in USDC on the Base network using the x402 exact payment scheme. The x402 challenge confirms the endpoint is live, advertising a maxAmountRequired of 20,000 base units of USDC (which, at 6 decimals, equals $0.02). Payment is sent to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` with a timeout of 300 seconds.

However, the exact functionality behind this particular endpoint path (`/stripe/charges/27`) is unclear. The provider's landing page lists many categorized APIs (metrics, reports, sentiment analysis, summarization, etc.) but does not specifically describe what `/api/v1/stripe/charges/27` returns. Documentation pages (`/docs`, `/pricing`, `/api`, `/README`) all render only a "Connect wallet" prompt with no substantive content. Without further documentation or example responses, the precise data or service delivered by this endpoint cannot be confirmed.

Capabilities

x402-paymentusdc-settlementbase-networkpost-methodpay-per-requestno-api-key

Use cases

  • Programmatic access to a paid API endpoint without traditional API key management
  • Agent-driven workflows that need to pay per request using USDC on Base
  • Testing x402 payment protocol integrations against a live endpoint

Fit

Best for

  • Developers experimenting with x402 payment protocol
  • Agents that can settle USDC payments on Base L2
  • Use cases requiring keyless, pay-per-call API access

Not for

  • Users who need detailed API documentation or guaranteed SLAs
  • Anyone requiring free or fiat-only payment methods
  • Production workloads needing well-documented response schemas

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/stripe/charges/27 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The x402 challenge is live and pricing is clear ($0.02 USDC on Base), but there is no documentation, no OpenAPI schema, no example requests or responses, and the specific purpose of the `/stripe/charges/27` path is unexplained. The docs, pricing, API, and README pages all render only a wallet-connect prompt with no useful content.

Warnings

  • The exact functionality of /api/v1/stripe/charges/27 is undocumented and unclear
  • All documentation pages (/docs, /pricing, /api, /README) contain only a 'Connect wallet' prompt with no substantive content
  • No OpenAPI spec, request schema, or response schema is available
  • No example responses are available to verify what data this endpoint returns

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 09:38:00Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

x402-gated premium API endpoint on Base, payable in USDC at $0.02 per request. — Clawmart · Clawmart