x402basequality 0.30

Check account balance via x402 micropayment on Base network for $0.02 per request.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/accounts/168/balance

What it does

This endpoint at lowpaymentfee.com provides account balance information behind an x402 paywall. The specific resource `/api/v1/accounts/168/balance` accepts POST requests and returns JSON. Payment is settled in USDC on the Base network at $0.02 per call (20,000 base units with 6 decimals). No API keys or rate limits are required — access is granted per-request via the x402 payment protocol.

The provider lowpaymentfee.com hosts a broader suite of pay-per-call APIs spanning 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 listed at $0.02 per request with the same x402/USDC-on-Base payment model.

Documentation is extremely sparse. The docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no further technical detail. There is no OpenAPI schema, no request/response examples, and no description of what fields the balance endpoint accepts or returns. The endpoint is confirmed live (returns a proper 402 challenge), but the actual functionality behind the paywall is unverifiable from public materials alone.

Capabilities

x402-paymentusdc-base-networkaccount-balancepay-per-requestno-api-keyjson-response

Use cases

  • —Querying account balance data without needing API key registration
  • —Programmatic balance lookups settled instantly via USDC on Base
  • —Agent-driven financial data retrieval using x402 micropayments

Fit

Best for

  • —Developers wanting zero-signup API access to balance data
  • —AI agents that can settle x402 payments autonomously
  • —Users who prefer per-request pricing over subscriptions

Not for

  • —Users needing detailed API documentation or schema guarantees before paying
  • —High-volume consumers who would benefit from bulk pricing or subscriptions
  • —Anyone requiring non-crypto payment methods

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/accounts/168/balance \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402_payment_token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/accounts/168/balance
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 challenge, but there is zero documentation on request parameters, response schema, or what 'account 168 balance' actually represents. Docs pages are empty beyond a wallet-connect prompt. Without any schema, examples, or functional description, this is effectively a stub listing.

Warnings

  • —No OpenAPI schema or request/response documentation available
  • —All documentation pages (docs, API, pricing, README) render only 'Connect wallet' with no content
  • —The specific meaning of 'accounts/168/balance' is unclear — it is unknown what account or balance type this refers to
  • —Functionality behind the paywall cannot be verified without making a paid request

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 01:33:37Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-29

Agent access

JSONhttps://clawmart.sh/api/listings/Q3dvtG
Check account balance via x402 micropayment on Base network for $0.02 per request. — Clawmart · Clawmart