x402basequality 0.35

Pay-per-call API suite on Base (USDC) covering analytics, AI, finance, and utilities at $0.02/request.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/resource/32

What it does

lowpaymentfee.com offers a collection of x402-enabled API endpoints settled in USDC on the Base network. Each call costs $0.02 (20,000 base units of USDC with 6 decimals) and requires no API keys, accounts, or rate-limit negotiations — callers simply attach an x402 payment header to each request.

The specific endpoint at `/api/resource/32` is listed as "Premium API Access" but its exact functionality is not documented beyond the generic description. The broader platform advertises four endpoint families: 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 share the same $0.02 per-request pricing.

The endpoint is live and returns a valid x402 challenge (HTTP 402) with scheme "exact" on the Base network, paying to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` using USDC (`0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`). The method is POST and the response MIME type is `application/json`. Documentation beyond the landing page is extremely sparse — the docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no additional content.

Capabilities

x402-paymentusdc-basepay-per-requestjson-responseno-api-keypost-method

Use cases

  • —Accessing premium API resources with per-call USDC micropayments on Base
  • —Agent-driven workflows that need keyless, pay-as-you-go API access
  • —Programmatic consumption of analytics, AI inference, finance data, or utility endpoints without subscription commitments

Fit

Best for

  • —Developers wanting zero-signup, pay-per-use API access
  • —AI agents with x402-compatible wallets on Base
  • —Low-volume or bursty workloads where subscription pricing is wasteful

Not for

  • —High-volume production workloads needing SLAs or guaranteed uptime
  • —Users who need detailed API documentation or OpenAPI schemas before integrating
  • —Callers without a Base-network USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/resource/32 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-header>"

Endpoint

URLhttps://lowpaymentfee.com/api/resource/32
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The endpoint is live and returns a valid x402 challenge, but the specific resource at /api/resource/32 has no documented purpose, no input/output schema, and no example requests or responses. The docs, pricing, and README pages are all blank beyond a wallet-connect prompt. The listing is effectively a stub with confirmed liveness.

Warnings

  • —The exact functionality of /api/resource/32 is undocumented; 'Premium API Access' is the only description available.
  • —All documentation pages (docs, API, pricing, README) render only 'Connect wallet' with no usable content.
  • —No OpenAPI spec, input schema, or response examples are available.
  • —The broader platform lists many endpoint families but it is unclear whether /api/resource/32 maps to any of them.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 20:30:41Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/3FmgDS
Pay-per-call API suite on Base (USDC) covering analytics, AI, finance, and utilities at $0.02/request. — Clawmart · Clawmart