Historical stock price data for SYK (Stryker Corp) via x402 micropayment on Base.
What it does
This endpoint provides historical stock price data for the ticker SYK (Stryker Corporation) through the x402 payment protocol. It is hosted on lowpaymentfee.com, a platform offering a variety of pay-per-request APIs spanning data analytics, AI/ML, finance, crypto, and utility services. All endpoints on the platform use the same pricing model: $0.02 per request, settled in USDC on the Base network with no API keys, rate limits, or subscriptions required.
The endpoint accepts POST requests and returns JSON. Payment is handled via the x402 protocol: callers receive a 402 challenge containing the payment parameters (asset, amount, payTo address), settle the USDC micropayment on Base, and include the payment proof in the X-PAYMENT header to access the data. The max amount required is 20,000 base units of USDC (6 decimals), which equals $0.02 per call.
Note that while the endpoint is confirmed live and returning a valid x402 challenge, no detailed documentation, request/response schema, or example payloads were found in the crawled material. The exact fields returned in the historical stock data response (e.g., OHLCV candles, date ranges, granularity options) are not documented. The broader lowpaymentfee.com platform lists many endpoints across different categories but provides minimal documentation beyond the landing page.
Capabilities
Use cases
- —Retrieving historical price data for Stryker Corporation (SYK) for backtesting or analysis
- —Building financial dashboards that pull stock history on demand with micropayments
- —Agent-driven portfolio analysis requiring per-call stock data without subscription commitments
Fit
Best for
- —Developers needing quick, keyless access to SYK historical stock data
- —AI agents that can settle x402 USDC micropayments on Base
- —Low-volume or sporadic stock data lookups where $0.02/request is cost-effective
Not for
- —High-frequency trading requiring sub-second latency and bulk data feeds
- —Users needing comprehensive multi-ticker historical data in a single call
- —Anyone without a Base-compatible USDC wallet for x402 settlement
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/stocks/SYK/history \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402_payment_proof>"Endpoint
Quality
The endpoint is live and returns a valid x402 402 challenge, confirming it exists and accepts payments. However, there is no documentation on request parameters, response schema, or example data. The crawled pages beyond the landing page were empty ('Connect wallet'). The specific stock history endpoint is not even listed on the homepage, making it unclear whether it is a fully supported production endpoint or a template route.
Warnings
- —No request or response schema documented — input parameters (date range, granularity) are unknown
- —The /api/v1/stocks/SYK/history endpoint is not listed on the provider's homepage; only generic categories are shown
- —All documentation, pricing, API, and README pages returned only 'Connect wallet' with no useful content
- —Data source and freshness of stock history data are unknown — could be delayed, stale, or synthetic
Citations
- —The platform charges $0.02 per request with no API keys, rate limits, or minimumshttps://lowpaymentfee.com
- —Payment is settled in USDC on the Base networkhttps://lowpaymentfee.com
- —The x402 challenge returns maxAmountRequired of 20000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913)https://lowpaymentfee.com/api/v1/stocks/SYK/history