x402basequality 0.35

Pay-per-call data export endpoint on Base via x402, $0.02/request in USDC.

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

What it does

The `/api/v1/data/export` endpoint at lowpaymentfee.com is one of several x402-gated API endpoints offered by this provider. It accepts POST requests and returns JSON. Payment is handled via the x402 protocol on the Base network using USDC (contract 0x8335…2913), with a maximum charge of 20,000 base units (i.e., $0.02 per request, since USDC uses 6 decimals). No API keys or accounts are required — callers simply attach an X-PAYMENT header with a valid x402 payment proof.

The provider's landing page lists this endpoint under "Data & Analytics" alongside metrics, reports, and insights APIs, all priced at $0.02 per request. However, the crawled documentation pages (docs, pricing, README) are essentially empty beyond a "Connect wallet" prompt, so there is no detailed documentation describing what data is exported, what input parameters are accepted, or what the response schema looks like. The endpoint is confirmed live (returns a proper 402 challenge), but the actual functionality behind it remains opaque from the available material.

This endpoint is part of a broader suite that also includes AI/ML endpoints (sentiment, summarization, classification, embeddings), finance endpoints (price feeds, exchange rates, token quotes, gas estimates), and utility endpoints (geocoding, validation, conversion, generation). All share the same $0.02 flat pricing and x402 payment model on Base.

Capabilities

x402-paymentdata-exportjson-responsebase-networkusdc-settlementno-api-keypay-per-request

Use cases

  • —Exporting analytics or dataset results on demand without subscription commitments
  • —Agent-driven data retrieval workflows that need per-call payment
  • —Programmatic data export integrated into crypto-native pipelines

Fit

Best for

  • —Developers wanting zero-signup, pay-per-use data export
  • —AI agents that can settle x402 payments on Base
  • —Users who prefer USDC micropayments over traditional API billing

Not for

  • —Users needing detailed API documentation before integrating
  • —High-volume bulk export where per-call pricing becomes expensive
  • —Anyone without a Base-compatible USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/data/export \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-proof>" \
  -d '{}'

Example

Request

{}

Endpoint

URLhttps://lowpaymentfee.com/api/v1/data/export
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The endpoint is confirmed live with a valid 402 challenge and pricing is clear ($0.02 USDC on Base). However, there is no documentation, no input/output schema, and no description of what 'data export' actually exports. The docs, pricing, and README pages are all blank stubs. Functionality is entirely opaque.

Warnings

  • —No documentation available — docs, pricing, and README pages are empty stubs
  • —No input or output schema provided; unclear what data is exported or what parameters are accepted
  • —The provider lists many diverse endpoints (AI, finance, utilities) all at the same price with no docs, which raises questions about actual functionality

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 20:34:53Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/8zcWKc
Pay-per-call data export endpoint on Base via x402, $0.02/request in USDC. — Clawmart · Clawmart