x402basequality 0.30

x402-gated API suite on Base: analytics, AI, finance, and utility endpoints at $0.02/request via USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/stripe/charges/92

What it does

lowpaymentfee.com hosts a collection of pay-per-call API endpoints gated by the x402 protocol on the Base network. The specific endpoint at `/api/v1/stripe/charges/92` is listed as "Premium API Access" and accepts payment in USDC (contract 0x8335…2913 on Base) with a maximum amount of 20,000 base units, which equals $0.02 per request (USDC uses 6 decimals). Payment is settled on-chain to address 0x1A2B…85F3 using the "exact" scheme, with a 300-second timeout.

The broader platform advertises four categories of APIs: Data & Analytics (metrics, reports, data export, insights), AI & Machine Learning (sentiment analysis, text summarization, classification, embeddings), Finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and Infrastructure utilities (geocoding, validation, conversion, generation). All endpoints are listed at $0.02 per request with no API keys, no rate limits, and no minimum commitments required.

Documentation is extremely sparse — the /docs, /api, /pricing, and /README pages all render only a "Connect wallet" prompt with no additional technical content. There is no OpenAPI spec, no request/response schema documentation, and no usage examples available from the crawl. The specific functionality behind the `/api/v1/stripe/charges/92` path is unclear; the name "Premium API Access" and the path segment "stripe/charges" suggest it may relate to Stripe charge creation or lookup, but this is unconfirmed.

Capabilities

x402-paymentusdc-basepay-per-requestno-api-keyon-chain-settlementhttp-post

Use cases

  • —Programmatic access to premium API functionality without traditional API key management
  • —Agent-driven workflows that need on-chain pay-per-call billing on Base
  • —Testing x402 protocol integrations with a low-cost endpoint

Fit

Best for

  • —Developers experimenting with x402 payment protocol on Base
  • —AI agents that need keyless, pay-per-request API access
  • —Low-cost micropayment API consumption without subscriptions

Not for

  • —Users who need detailed API documentation or OpenAPI specs before integrating
  • —High-throughput production workloads requiring SLA guarantees
  • —Anyone without a Base-compatible USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/stripe/charges/92 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/stripe/charges/92
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is zero documentation on request/response schemas, no OpenAPI spec, no examples, and the docs pages are empty. The actual functionality behind this specific endpoint path is ambiguous.

Warnings

  • —No OpenAPI spec or schema documentation available
  • —All documentation pages (/docs, /api, /pricing, /README) render only 'Connect wallet' with no content
  • —The specific purpose of /api/v1/stripe/charges/92 is unclear — the path suggests Stripe charge operations but this is unconfirmed
  • —No request body schema or response format documented anywhere

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 09:39:11Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/pPD7Nw
x402-gated API suite on Base: analytics, AI, finance, and utility endpoints at $0.02/request via USDC. — Clawmart · Clawmart