Database snapshot for May 2024, paid per-request via x402 on Base (USDC).
What it does
This endpoint at lowpaymentfee.com serves a database snapshot for the period 2024-05 via a POST request, gated by the x402 payment protocol. The endpoint returns JSON data and costs $0.02 per request, settled in USDC on the Base network. No API keys or rate limits are required — callers simply attach an X-PAYMENT header with a valid x402 payment proof.
The hosting site lowpaymentfee.com offers a broad catalog of x402-gated APIs spanning data & analytics, AI/ML inference (sentiment, summarization, classification, embeddings), finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints share the same $0.02/request pricing model. This specific endpoint (`/api/v1/database/snapshots/2024-05`) is not listed on the homepage catalog, suggesting it may be a supplementary or less-advertised resource.
Documentation is extremely sparse. The /docs, /pricing, /api, and /README pages all render only a "Connect wallet" prompt with no further content. There is no OpenAPI spec, no request/response schema, and no example payloads available. The actual contents and structure of the "2024-05 snapshot" are unknown from the available material.
Capabilities
Use cases
- —Retrieving a historical database snapshot for May 2024
- —Programmatic data access without API key management
- —Agent-driven data procurement using x402 micropayments
Fit
Best for
- —Agents or scripts that need one-shot paid data retrieval without signup
- —Developers exploring x402 payment-gated API patterns
- —Accessing archived/snapshotted datasets via micropayments
Not for
- —Users who need detailed documentation or schema guarantees before purchasing
- —High-volume bulk data retrieval where per-request fees add up
- —Anyone needing real-time or streaming data rather than a static snapshot
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/database/snapshots/2024-05 \
-H "X-PAYMENT: <x402_payment_proof>" \
-H "Content-Type: application/json"Endpoint
Quality
The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is zero documentation on what the snapshot contains, no request/response schema, no examples, and the docs pages are empty. The endpoint is not even listed in the site's own catalog, making it effectively a stub listing.
Warnings
- —No documentation available — /docs, /pricing, /api, /README all return only a wallet-connect prompt
- —No request or response schema provided; the contents of the 2024-05 snapshot are completely unknown
- —This specific endpoint is not listed on the provider's homepage catalog of available APIs
- —Cannot verify what data is actually returned without making a paid request
Citations
- —Endpoint returns 402 with x402 challenge requiring USDC payment on Base networkhttps://lowpaymentfee.com/api/v1/database/snapshots/2024-05
- —All endpoints priced at $0.02 per request with no API keys, no rate limitshttps://lowpaymentfee.com
- —USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Basehttps://lowpaymentfee.com/api/v1/database/snapshots/2024-05
- —maxAmountRequired is 20000 base units (USDC 6 decimals = $0.02)https://lowpaymentfee.com/api/v1/database/snapshots/2024-05