Stock data for ticker MA via x402 micropayment on Base, $0.02 per request.
What it does
This endpoint provides stock data for the ticker symbol MA (Mastercard) through an x402-protocol pay-per-call API hosted at lowpaymentfee.com. Each request costs $0.02 (20,000 base units of USDC on the Base network, where USDC has 6 decimals). The endpoint accepts POST requests and returns JSON.
The provider, lowpaymentfee.com, offers a broad catalog of pay-per-request APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services — all priced at $0.02 per call. The platform requires no API keys, no rate limits, and no upfront commitments; payment is handled inline via the x402 protocol using USDC on Base. The specific endpoint `/api/v1/stocks/MA` is not listed on the provider's main catalog page (which focuses on analytics, AI, finance, and utility endpoints), so it may be an unlisted or newer addition.
Because no OpenAPI schema, request/response examples, or detailed documentation were found for this endpoint, the exact request body format and response structure are unknown. The crawled docs, pricing, and README pages all returned only a "Connect wallet" prompt with no substantive content. Users should expect to experiment with the POST body or contact the provider for integration guidance.
Capabilities
Use cases
- —Fetching current or recent stock data for Mastercard (MA) in automated trading or analytics pipelines
- —Agents that need on-demand equity information without managing API keys or subscriptions
- —Pay-per-call stock lookups integrated into AI agent workflows on Base
Fit
Best for
- —Developers or agents needing quick, keyless access to MA stock data
- —x402-compatible agents that can pay with USDC on Base
- —Low-volume or sporadic stock data lookups where per-call pricing is preferable to subscriptions
Not for
- —High-frequency trading requiring sub-millisecond latency and bulk data
- —Users who need comprehensive multi-ticker coverage (only MA ticker confirmed at this endpoint)
- —Anyone without USDC on Base or an x402-compatible payment client
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/stocks/MA \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402_payment_header>" \
-d '{}'Endpoint
Quality
The endpoint is live (returns a valid 402 x402 challenge), but there is no OpenAPI schema, no documented request/response format, no examples, and the docs pages are empty. The specific /stocks/MA endpoint is not listed on the provider's catalog. Pricing is clear but everything else must be inferred.
Warnings
- —No OpenAPI schema or request/response documentation available for this endpoint
- —The /api/v1/stocks/MA path is not listed on the provider's main catalog page — it may be unlisted or experimental
- —All documentation pages (docs, pricing, README) returned only a 'Connect wallet' prompt with no content
- —Exact request body format and response structure are unknown
Citations
- —The endpoint returns a 402 x402 challenge with maxAmountRequired of 20000 base units of USDC on Basehttps://lowpaymentfee.com/api/v1/stocks/MA
- —USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base networkhttps://lowpaymentfee.com/api/v1/stocks/MA
- —Provider advertises $0.02 per request, no API keys, no rate limits, instant access on Base networkhttps://lowpaymentfee.com
- —The /api/v1/stocks/MA endpoint is not listed among the provider's advertised API cataloghttps://lowpaymentfee.com