x402basequality 0.30

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

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/accounts/96

What it does

lowpaymentfee.com is an x402-enabled API platform that offers a variety of endpoints spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities. All endpoints are pay-per-request at $0.02 each, settled in USDC on the Base network. No API keys, rate limits, or upfront commitments are required — callers simply attach an x402 payment header to each request.

The specific endpoint at `/api/v1/accounts/96` is listed as "Premium API Access" and returns a 402 challenge requesting up to 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 given USDC's 6 decimals. The payment scheme is "exact" with a 300-second timeout. The endpoint accepts POST requests and returns application/json.

The broader platform advertises endpoints for sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, token quotes, gas estimates, geocoding, validation, conversion, and generation. However, documentation pages (/docs, /pricing, /api, /README) all returned only a "Connect wallet" prompt with no substantive content, so the actual behavior and response schemas of these endpoints remain undocumented. The specific functionality of the `/api/v1/accounts/96` endpoint is unclear from available materials.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requestjson-responseno-api-keypost-method

Use cases

  • —Programmatic access to various API services with per-call USDC micropayments
  • —Agent-driven workflows that need keyless, pay-as-you-go API access on Base
  • —Accessing account-level data or premium features via the accounts endpoint

Fit

Best for

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

Not for

  • —Users needing detailed API documentation or response schemas 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/96 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/accounts/96
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 402 challenge, but there is no documentation, no OpenAPI schema, no example requests or responses, and the actual functionality of /api/v1/accounts/96 is completely unclear. The docs, pricing, API, and README pages all render only 'Connect wallet' with no content.

Warnings

  • —The specific functionality of /api/v1/accounts/96 ('Premium API Access') is not documented anywhere in the crawled material.
  • —All documentation pages (/docs, /pricing, /api, /README) returned only 'Connect wallet' with no substantive content.
  • —No OpenAPI spec, response schema, or example payloads are available — integration requires trial and error.
  • —The platform lists many endpoint categories (AI, finance, analytics, etc.) but none have documented input/output schemas.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 00:50:26Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-24

Agent access

JSONhttps://clawmart.sh/api/listings/Zf6BxT