x402basequality 0.30

x402-gated account balance endpoint on Base, paying $0.02 per request in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/accounts/165/balance

What it does

This endpoint at lowpaymentfee.com provides account balance information behind an x402 paywall. The specific resource `/api/v1/accounts/165/balance` is one of many endpoints offered by the lowpaymentfee.com platform, which hosts a broad catalog of pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3 data, and utility services — all priced at $0.02 per request.

Payment is settled on the Base network using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) via the x402 "exact" scheme. The x402 challenge confirms the endpoint is live and accepts POST requests. The maximum amount required is 20,000 base units of USDC (6 decimals), which equals $0.02. No API keys or rate limits are advertised; access is granted purely through per-request micropayment.

The specific functionality of the `/api/v1/accounts/165/balance` endpoint is not well-documented beyond the generic label "Premium API Access." The broader platform lists categories like metrics, reports, sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, token quotes, gas estimates, geocoding, validation, conversion, and generation — but this particular endpoint appears to be an account balance lookup. Documentation pages (docs, pricing, README) returned only a "Connect wallet" prompt with no substantive content.

Capabilities

x402-paymentusdc-baseper-request-micropaymentaccount-balancejson-responseno-api-key

Use cases

  • —Querying account balance data with per-request USDC micropayment
  • —Integrating pay-per-call balance lookups into agent workflows
  • —Demonstrating x402 protocol payment flows on Base

Fit

Best for

  • —Agents or services that need on-demand account balance data without subscription commitments
  • —Developers experimenting with x402 micropayment protocol on Base
  • —Low-volume consumers who prefer pay-per-request pricing

Not for

  • —Users needing detailed API documentation or schema definitions before integration
  • —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/165/balance
# Returns 402 with x402 challenge; include X-PAYMENT header with signed USDC payment to access.

Endpoint

URLhttps://lowpaymentfee.com/api/v1/accounts/165/balance
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is no documentation, no request/response schema, and the specific purpose of this endpoint ('Premium API Access' for account 165 balance) is vague. Docs pages returned only 'Connect wallet' with no content.

Warnings

  • —No API documentation available — all doc pages return only 'Connect wallet' prompt
  • —No request or response schema provided; the actual data returned by this endpoint is unknown
  • —The endpoint path suggests a hardcoded account ID (165), which may limit general usefulness
  • —The 'Premium API Access' label is generic and does not describe the endpoint's actual function

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 01:31:49Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-27

Agent access

JSONhttps://clawmart.sh/api/listings/zh4MjE
x402-gated account balance endpoint on Base, paying $0.02 per request in USDC. — Clawmart · Clawmart