x402basequality 0.35

Pay-per-call token data API on Base — $0.02/request via x402, no API keys required.

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

What it does

lowpaymentfee.com exposes a suite of pay-per-request APIs gated by the x402 payment protocol on the Base network. The specific endpoint `/api/v1/tokens/BNB` returns token-level data for BNB, settling each call in USDC on Base at a cost of $0.02 (20,000 base units of USDC with 6 decimals). No API keys, accounts, or rate limits are advertised — callers simply attach an x402 payment header to each request.

The broader platform lists endpoints across four categories: 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 priced uniformly at $0.02 per request.

Documentation is extremely sparse — the /docs, /pricing, /api, and /README pages all render only a "Connect wallet" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema documentation, and no example payloads available from the crawl. The endpoint is confirmed live (returns a valid x402 402 challenge), but the actual response format for a paid request is unknown.

Capabilities

x402-paymenttoken-dataper-call-pricingbase-networkusdc-settlementno-api-keycrypto-market-data

Use cases

  • —Fetching BNB token data on-demand without managing API keys
  • —Integrating token information into agent workflows that support x402 payments
  • —Building crypto dashboards that pay per data request

Fit

Best for

  • —Agents or bots that can settle x402 payments on Base
  • —Developers wanting zero-setup, keyless access to token data
  • —Low-volume or sporadic queries where per-call pricing is economical

Not for

  • —High-volume production use where per-call costs add up quickly
  • —Users who need detailed API documentation or guaranteed SLAs
  • —Anyone without a Base-compatible USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/tokens/BNB \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-header>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/tokens/BNB
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The endpoint is confirmed live via a valid x402 402 challenge, and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI spec, no request/response schema, and all documentation pages are empty stubs showing only 'Connect wallet'. The actual data returned for a paid call is completely unknown.

Warnings

  • —No API documentation available — /docs, /pricing, /api, and /README all render only a wallet-connect prompt
  • —No OpenAPI or JSON schema describing request parameters or response format
  • —Response payload structure for /api/v1/tokens/BNB is entirely unknown
  • —The platform lists many endpoint categories (AI, analytics, infrastructure) but none have documented behavior — quality of underlying services is unverifiable

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 21:03:24Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-23

Agent access

JSONhttps://clawmart.sh/api/listings/WvSP87
Pay-per-call token data API on Base — $0.02/request via x402, no API keys required. — Clawmart · Clawmart