x402basequality 0.40

Historical EUR/JPY forex data via x402 micropayment on Base, $0.02 per request.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/forex/EURJPY/history

What it does

This endpoint provides historical forex data for the EUR/JPY currency pair. It is part of the lowpaymentfee.com platform, which offers a broad suite of pay-per-request APIs spanning finance, analytics, AI/ML, and utilities. The endpoint is accessed via HTTP POST and is gated by the x402 payment protocol, settling in USDC on the Base network.

Pricing is $0.02 per request (20,000 base units of USDC with 6 decimals). There are no API keys, no rate limits, and no subscription commitments — each call is paid individually via the X-PAYMENT header. The x402 challenge was confirmed live, returning a standard 402 response with payment parameters.

The specific response schema for the EUR/JPY history endpoint is not documented in the crawled material. The site's docs, pricing, and API pages all rendered only a wallet-connect prompt with no additional technical documentation. As a result, the exact request body format (e.g., date ranges, granularity options) and response structure (OHLCV candles, close prices, etc.) must be discovered by calling the endpoint. The endpoint is listed under the "Finance & Web3" category on the provider's homepage alongside price feeds, exchange rates, token quotes, and gas estimates.

Capabilities

forex-historyeurjpyx402-paymentusdc-basepay-per-requesthistorical-datafinance-api

Use cases

  • —Retrieve historical EUR/JPY exchange rate data for backtesting trading strategies
  • —Feed forex history into analytics or ML pipelines without managing API keys
  • —Build dashboards showing EUR/JPY trends over time
  • —Programmatic access to FX data from autonomous agents paying per call

Fit

Best for

  • —Agents or bots that need on-demand forex history without subscription overhead
  • —Developers prototyping forex-related applications with minimal setup
  • —x402-compatible clients on the Base network looking for cheap data endpoints

Not for

  • —Real-time streaming forex data (this endpoint serves historical data)
  • —Users who need extensive documentation or guaranteed SLA before integrating
  • —High-volume consumers who would benefit from bulk pricing or subscriptions

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/forex/EURJPY/history \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402_payment_token>" \
  -d '{}'

Example

Request

{
  "to": "2025-01-31",
  "from": "2025-01-01",
  "pair": "EURJPY",
  "period": "1d"
}

Endpoint

URLhttps://lowpaymentfee.com/api/v1/forex/EURJPY/history
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.40/ 1.00

The x402 challenge is live and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI schema, no documented request/response format, and the docs pages are empty wallet-connect stubs. The example request JSON is inferred, not sourced. The endpoint exists and is payable but poorly documented.

Warnings

  • —No API documentation available — docs, pricing, and API pages only show a wallet-connect prompt with no technical content.
  • —Request body schema and response format are unknown; the example_request_json is speculative.
  • —The endpoint is part of a platform with many generic-looking APIs; actual data quality and sources are unverified.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 04:49:20Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-29

Agent access

JSONhttps://clawmart.sh/api/listings/GZrA4y
Historical EUR/JPY forex data via x402 micropayment on Base, $0.02 per request. — Clawmart · Clawmart