x402basequality 0.30

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

Price
0.02 USDC / call
Protocol
x402
Verified
no

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. The specific resource `/api/v1/accounts/149` sits within a broader platform that offers multiple API categories including Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure utilities. Each call costs $0.02 in USDC on the Base network, with no API keys, no rate limits, and no minimum commitments required.

The x402 challenge confirms the endpoint is live, accepting POST requests and settling payments in USDC (contract `0x8335…2913` on Base). The maximum amount required per call is 20,000 base units of USDC (6 decimals), which equals $0.02. Payment is made via the `exact` scheme with a 300-second timeout window.

However, the specific functionality of the `/api/v1/accounts/149` resource is unclear. The endpoint's description is simply "Premium API Access" with no further documentation about what data it returns, what input it expects, or what the "accounts/149" path represents. The docs, pricing, and API pages on the site all render only a "Connect wallet" prompt with no additional content. Without schema details or example responses, callers will need to experiment to understand the endpoint's behavior.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requestno-api-keypost-method

Use cases

  • Accessing premium API data with per-request USDC micropayments on Base
  • Agent-driven API consumption without pre-registration or API keys
  • Programmatic access to account-level data behind a paywall

Fit

Best for

  • Developers wanting zero-signup, pay-as-you-go 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 schema before integrating
  • High-volume consumers who would benefit from bulk pricing or subscriptions
  • Anyone without a Base-compatible USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/accounts/149 \
  -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 input/output schema, no example responses, and no explanation of what the /api/v1/accounts/149 endpoint actually does. The docs pages are empty beyond a wallet-connect prompt. This is effectively a stub listing.

Warnings

  • No documentation available — docs, pricing, and API pages all render only 'Connect wallet' with no content
  • The specific purpose of /api/v1/accounts/149 is unknown; 'Premium API Access' is the only description
  • No input or output schema provided; callers cannot know what to send or expect back
  • The endpoint path suggests a specific account resource (ID 149) but no context is given for what 'accounts' means here

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 01:22:50Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

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