x402basequality 0.35

x402-gated token data endpoint returning ZRX information for $0.02 per request on Base.

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

What it does

This endpoint at lowpaymentfee.com provides token data for ZRX (0x Protocol token) via the x402 payment protocol. It is part of a broader platform offering dozens of pay-per-call API endpoints spanning data analytics, AI/ML inference, finance/Web3 market data, and utility services — all priced at $0.02 per request and settled in USDC on the Base network.

The specific endpoint `/api/v1/tokens/ZRX` sits under the Finance & Web3 category of the platform. Based on the URL pattern and the platform's other crypto-related endpoints (token quotes, gas estimates, price feeds, exchange rates), this endpoint likely returns token metadata or pricing information for the ZRX token. The x402 challenge confirms the endpoint is live, accepts POST requests, and requires a payment of 20,000 base units of USDC (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base), which equals $0.02.

The platform advertises no API keys, no rate limits, and instant access. All authentication and billing is handled through the x402 payment header. No OpenAPI schema, detailed documentation, or example responses were found in the crawl — the docs, pricing, and README pages all returned only a "Connect wallet" prompt with no substantive content. As a result, the exact response format and fields returned by this endpoint are unknown.

Capabilities

x402-paymenttoken-datacrypto-market-datausdc-settlementbase-networkpay-per-requestno-api-key

Use cases

  • —Retrieving ZRX token metadata or pricing on demand without an API key
  • —Integrating pay-per-call crypto data into trading bots or dashboards
  • —Agent-driven token lookups settled instantly via x402 on Base

Fit

Best for

  • —Developers needing lightweight, keyless access to ZRX token data
  • —AI agents that can settle micropayments via x402 on Base
  • —Applications requiring on-demand crypto token information without subscriptions

Not for

  • —Bulk historical token data retrieval (no evidence of batch or historical endpoints)
  • —Users who cannot transact in USDC on the Base network
  • —Production use cases requiring documented response schemas and SLAs

Quick start

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

Endpoint

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

Quality

0.35/ 1.00

The endpoint is live and returns a valid x402 challenge with clear pricing. However, there is no OpenAPI schema, no documented response format, no example responses, and the docs/pricing/README pages are empty stubs. The exact data returned is unknown, making this effectively a stub listing.

Warnings

  • —No OpenAPI or response schema available — exact response fields are unknown
  • —Documentation pages (/docs, /pricing, /README) returned no useful content
  • —The /api/v1/tokens/ZRX path is not explicitly listed on the homepage; it may be an undocumented or dynamically-routed endpoint
  • —Cannot verify what data is actually returned without making a paid request

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 11:21:18Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-23

Agent access

JSONhttps://clawmart.sh/api/listings/77vTxp
x402-gated token data endpoint returning ZRX information for $0.02 per request on Base. — Clawmart · Clawmart