Database snapshot for 2025-09, paid per-request via x402 on Base with USDC.
What it does
This endpoint at lowpaymentfee.com provides access to a database snapshot for September 2025. It is part of a broader platform offering data & analytics, AI/ML inference, finance/Web3, and infrastructure utility APIs, all payable per-request via the x402 protocol on the Base network using USDC.
The specific endpoint `/api/v1/database/snapshots/2025-09` accepts POST requests and returns JSON. The x402 challenge advertises a maximum cost of 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 per request (USDC uses 6 decimals). The platform advertises uniform $0.02/request pricing across all endpoints, with no API keys, no rate limits, and no minimum commitments required — payment is handled entirely through the x402 payment header.
Documentation on the site is extremely sparse. The docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema documentation, and no usage examples available. The endpoint name suggests it returns a periodic data snapshot, but the exact contents, schema, and supported query parameters are unknown from the available material.
Capabilities
Use cases
- —Retrieving a September 2025 database snapshot for offline analysis
- —Programmatic access to periodic data snapshots without API key management
- —Agent-driven data acquisition with per-call crypto micropayments
Fit
Best for
- —Agents or scripts that need on-demand database snapshots paid via crypto
- —Users who want keyless, pay-per-use access to data exports
- —Workflows requiring Base-network USDC micropayments for data retrieval
Not for
- —Users who need detailed documentation or schema guarantees before purchasing
- —Applications requiring free or subscription-based data access
- —Use cases needing real-time streaming data rather than periodic snapshots
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/database/snapshots/2025-09 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-token>"Endpoint
Quality
The endpoint is live (402 challenge captured) and pricing is clear ($0.02/request in USDC on Base). However, there is no OpenAPI spec, no request/response schema, no documentation beyond a wallet-connect prompt, and no examples. The actual content of the 'database snapshot' is completely undocumented, making this effectively a stub listing.
Warnings
- —No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet'
- —No OpenAPI or schema definition for request or response payloads
- —The contents and structure of the 'database snapshots/2025-09' resource are entirely unknown
- —No examples or sample responses available from any source
Citations
- —The endpoint returns a 402 x402 challenge with maxAmountRequired of 20000 base units of USDC on Base networkhttps://lowpaymentfee.com/api/v1/database/snapshots/2025-09
- —Platform advertises $0.02/request pricing, no API keys, no rate limits, instant access, Base networkhttps://lowpaymentfee.com
- —USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Basehttps://lowpaymentfee.com/api/v1/database/snapshots/2025-09
- —Docs, API, pricing, and README pages render only 'Connect wallet' with no further contenthttps://lowpaymentfee.com/docs