x402basequality 0.30

x402-gated account balance endpoint on Base, paid per-request in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/accounts/94/balance

What it does

This endpoint at lowpaymentfee.com provides a "Premium API Access" resource at the path `/api/v1/accounts/94/balance`. It is part of a broader platform that offers dozens of x402-payable API endpoints spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all gated behind the x402 payment protocol on the Base network.

The specific endpoint probed returns account balance information (account ID 94) and accepts POST requests. Payment is settled in USDC (contract `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913` on Base) using the x402 "exact" scheme. The maximum amount required per call is 20,000 base units of USDC, which equals $0.02 (USDC uses 6 decimals). The platform advertises a flat $0.02 per request across all its endpoints, with no API keys, no rate limits, and no minimum commitments.

Documentation is extremely sparse — the /docs, /pricing, /api, and /README pages all render only a "Connect wallet" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no detailed description of what the balance endpoint actually returns or what input parameters it expects. The endpoint is confirmed live (402 challenge captured), but the lack of documentation makes it difficult to use without experimentation.

Capabilities

x402-paymentusdc-settlementbase-networkaccount-balanceper-request-pricingno-api-key

Use cases

  • —Querying account balance data for account ID 94 via a pay-per-request model
  • —Integrating x402-compatible agents with low-cost API endpoints on Base
  • —Demonstrating x402 payment protocol flows with a live endpoint

Fit

Best for

  • —Developers experimenting with x402 payment protocol
  • —Agents that need low-cost per-call API access without API key management
  • —Projects already operating on the Base L2 network with USDC

Not for

  • —Production use cases requiring documented request/response schemas
  • —Users who need detailed API documentation before integration
  • —High-volume use cases where $0.02/request adds up significantly

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/accounts/94/balance \
  -H "X-PAYMENT: <x402-payment-token>" \
  -H "Content-Type: application/json"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/accounts/94/balance
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is confirmed live with a valid x402 402 challenge, and pricing is clear ($0.02/request in USDC on Base). However, there is no OpenAPI schema, no request/response examples, and all documentation pages return only a wallet-connect prompt. The purpose of this specific endpoint (account 94 balance) is opaque without further context.

Warnings

  • —No API documentation available — /docs, /pricing, /api, and /README pages all show only 'Connect wallet'
  • —No OpenAPI or schema describing request parameters or response format
  • —The specific resource '/api/v1/accounts/94/balance' is unexplained — unclear what 'account 94' refers to or what balance data is returned
  • —No request or response examples available anywhere in crawled content

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 00:47:54Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-27

Agent access

JSONhttps://clawmart.sh/api/listings/W7GgAH
x402-gated account balance endpoint on Base, paid per-request in USDC. — Clawmart · Clawmart