Real-time stock price data for REGN via x402 micropayment on Base, $0.02 per request.
What it does
This endpoint returns the current stock price for Regeneron Pharmaceuticals (ticker: REGN) through an x402-enabled API hosted at lowpaymentfee.com. Payment is handled per-request using USDC on the Base network — no API keys, no subscriptions, no rate limits. Each call costs $0.02 (20,000 base units of USDC with 6 decimals).
The provider, lowpaymentfee.com, offers a broad catalog of pay-per-call endpoints spanning finance, AI/ML, data analytics, and utility services, all priced at $0.02 per request and settled on-chain via x402. This specific endpoint is a POST request that returns JSON. The x402 challenge is live and well-formed, advertising x402 version 1 with a 300-second payment timeout.
Documentation beyond the landing page is sparse — the /docs, /pricing, and /README pages all render only a "Connect wallet" prompt with no additional technical detail. There is no OpenAPI spec, no example request/response payloads, and no description of the response schema. The endpoint is confirmed live (402 challenge captured), but the actual data source and response format are unknown.
Capabilities
Use cases
- —Fetching the current stock price of Regeneron (REGN) in an automated trading or monitoring pipeline
- —Agent-driven portfolio valuation that needs on-demand equity prices without API key management
- —Pay-per-call stock data retrieval settled on-chain for Web3-native applications
Fit
Best for
- —Agents or bots that need occasional, on-demand stock price lookups without subscription overhead
- —Web3-native workflows that prefer on-chain USDC micropayments over traditional billing
- —Developers prototyping financial tools who want instant access with no signup
Not for
- —High-frequency trading requiring sub-millisecond latency and bulk data feeds
- —Users who need historical price data, OHLCV candles, or full market depth
- —Anyone without a Base-network USDC wallet or x402-compatible client
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/stocks/REGN/price \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402_payment_token>"Endpoint
Quality
The x402 challenge is live and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI spec, no documented request/response schema, no example payloads, and all documentation pages render only a wallet-connect prompt. The actual data source and response format must be guessed.
Warnings
- —No OpenAPI or schema documentation available — response format is unknown
- —All doc/pricing/README pages return only a 'Connect wallet' prompt with no technical content
- —Data source for stock prices is undisclosed; accuracy and freshness cannot be verified
- —No example request or response payloads are provided by the provider
Citations
- —Endpoint returns HTTP 402 with x402 version 1 challenge, confirming it is livehttps://lowpaymentfee.com/api/v1/stocks/REGN/price
- —Payment is 20,000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base network, equaling $0.02https://lowpaymentfee.com/api/v1/stocks/REGN/price
- —Provider advertises $0.02/request, no API keys, no rate limits, instant access on Base networkhttps://lowpaymentfee.com
- —Documentation pages (/docs, /pricing, /README) render only a 'Connect wallet' prompthttps://lowpaymentfee.com/docs