Database snapshot (2023-09) accessible via x402 micropayment on Base for $0.02 per request.
What it does
This endpoint at lowpaymentfee.com provides access to a database snapshot dated 2023-09 via the x402 payment protocol. It is one of many endpoints offered by the lowpaymentfee.com platform, which hosts a variety of data, analytics, AI/ML, finance, and utility APIs — all priced at $0.02 per request and settled in USDC on the Base network.
The specific endpoint `/api/v1/database/snapshots/2023-09` accepts POST requests and returns JSON. The x402 challenge confirms the endpoint is live, requiring a payment of up to 20,000 base units of USDC (0x8335…2913 on Base, 6 decimals), which equals $0.02. Payment is made via the x402 exact scheme with no API keys, no rate limits, and no subscriptions — just per-call micropayments.
Documentation on the site is extremely thin: the docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no further content. There is no OpenAPI spec, no request/response schema documentation, and no description of what the 2023-09 database snapshot actually contains. The endpoint's purpose and data format must be considered unknown beyond the generic "Premium API Access" label provided in the x402 challenge.
Capabilities
Use cases
- —Retrieving a historical database snapshot from September 2023
- —Programmatic access to archived data via micropayment
- —Agent-driven data retrieval without API key management
Fit
Best for
- —Agents needing keyless, pay-per-call access to archived data
- —Developers experimenting with x402 micropayment workflows
- —Accessing historical snapshots without subscription commitments
Not for
- —Users who need documentation on the snapshot's schema or contents before purchasing
- —Real-time or streaming data needs (this is a static 2023-09 snapshot)
- —Users who cannot transact in USDC on the Base network
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/database/snapshots/2023-09 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402_payment_token>"Endpoint
Quality
The endpoint is live and returns a valid x402 402 challenge, confirming pricing and network. However, there is no documentation, no OpenAPI spec, no request/response schema, and no description of what the database snapshot actually contains. The docs/pricing/README pages are all empty beyond a wallet-connect prompt. This is effectively a stub listing.
Warnings
- —No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet' with no content.
- —The contents and schema of the 2023-09 database snapshot are completely undocumented.
- —No OpenAPI spec or request/response examples are provided by the provider.
- —No robots.txt or agents.txt found.
Citations
- —Endpoint returns a valid x402 402 challenge with maxAmountRequired of 20000 base units of USDC on Basehttps://lowpaymentfee.com/api/v1/database/snapshots/2023-09
- —USDC contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/database/snapshots/2023-09
- —All APIs on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access on the Base networkhttps://lowpaymentfee.com
- —Docs, API, pricing, and README pages render only a 'Connect wallet' prompthttps://lowpaymentfee.com/docs