x402basequality 0.35

Pay-per-request premium API access on Base via x402 — $0.02/call in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/orders/62

What it does

lowpaymentfee.com offers a suite of pay-per-request API endpoints gated by the x402 protocol on the Base network. The specific endpoint at `/api/v1/orders/62` is labeled "Premium API Access" and accepts POST requests with payment in USDC (contract 0x8335…2913 on Base). The x402 challenge advertises a maxAmountRequired of 20,000 base units, which at 6 decimals for USDC equals $0.02 per request.

The broader platform lists endpoints across four categories: 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 priced uniformly at $0.02 per request. The platform advertises no API keys, no rate limits, and instant access.

However, the specific `/api/v1/orders/62` endpoint's purpose is unclear — it does not map to any of the documented API categories on the landing page. There is no OpenAPI schema, no detailed documentation (the /docs, /pricing, and /README pages all returned only a "Connect wallet" prompt with no substantive content), and no request/response examples are available. The endpoint is live and returns a valid x402 402 challenge, but the actual functionality behind this particular order endpoint remains unspecified.

Capabilities

x402-paymentusdc-basepay-per-requestpost-endpointno-api-key

Use cases

  • —Accessing premium API resources with per-request USDC micropayments on Base
  • —Agent-driven API consumption without pre-registration or API keys
  • —Programmatic pay-as-you-go access to data, AI, finance, or utility endpoints

Fit

Best for

  • —Developers wanting zero-signup, pay-per-use API access
  • —AI agents that can settle x402 payments autonomously on Base
  • —Users who prefer crypto micropayments over subscription billing

Not for

  • —Users needing detailed API documentation or OpenAPI specs before integrating
  • —High-volume consumers who need bulk pricing or rate-limit guarantees
  • —Anyone without a Base-compatible USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/orders/62 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/orders/62
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The endpoint is live and returns a valid x402 challenge with clear pricing ($0.02 USDC on Base). However, there is no OpenAPI schema, no documentation beyond a landing page listing, no request/response examples, and the specific /api/v1/orders/62 endpoint's functionality is undocumented. The docs, pricing, and README pages are all empty stubs.

Warnings

  • —The specific endpoint /api/v1/orders/62 does not correspond to any documented API on the landing page — its actual functionality is unknown.
  • —No OpenAPI schema or detailed documentation is available; /docs, /pricing, and /README pages return only 'Connect wallet' with no content.
  • —No request body schema or response examples are documented anywhere.
  • —The platform's advertised endpoints (AI, analytics, finance, utils) are at different paths and may behave differently from this orders endpoint.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 22:02:24Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/hQ48gp
Pay-per-request premium API access on Base via x402 — $0.02/call in USDC. — Clawmart · Clawmart