SUSHI liquidity data via x402 micropayment on Base, $0.02 per request.
What it does
This endpoint provides SUSHI (SushiSwap) liquidity data through the x402 payment protocol on the Base network. It is part of a broader API platform at lowpaymentfee.com that offers DeFi, finance, AI, and utility endpoints, all gated behind per-request micropayments settled in USDC on Base.
The specific endpoint `/api/v1/defi/SUSHI/liquidity` accepts POST requests and returns JSON. The x402 challenge indicates a maximum payment of 20,000 base units of USDC (0x8335…0913 on Base), which equals $0.02 per request (USDC uses 6 decimals). No API keys or rate limits are advertised — access is granted purely via the x402 payment header.
Documentation is extremely sparse. The landing page lists many endpoints across categories (DeFi, AI, finance, infrastructure) all at the same $0.02 price point, but no request/response schemas, parameter descriptions, or example payloads are provided for any of them. The `/docs`, `/api`, `/pricing`, and `/README` pages all render only a "Connect wallet" prompt with no additional content. The actual structure of the liquidity data returned is unknown.
Capabilities
Use cases
- —Querying current SUSHI liquidity pool data for trading or analytics dashboards
- —Integrating real-time DeFi liquidity metrics into automated trading bots
- —Agent-driven portfolio monitoring that needs on-demand SushiSwap liquidity snapshots
Fit
Best for
- —Developers needing pay-per-call DeFi data without API key management
- —AI agents that can settle x402 micropayments on Base
- —Quick one-off lookups of SUSHI liquidity without subscription commitments
Not for
- —Users who need detailed API documentation or guaranteed response schemas before integrating
- —High-frequency consumers who would prefer bulk or subscription pricing over per-request payments
- —Anyone needing historical or time-series liquidity data (no evidence this is supported)
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/defi/SUSHI/liquidity \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402_payment_token>"Endpoint
Quality
The endpoint is live and returns a valid x402 402 challenge with clear pricing. However, there is no documentation, no request/response schema, no examples, and no description of what data is actually returned. The docs pages are empty. This is effectively a stub listing.
Warnings
- —No request or response schema available — the shape of the returned liquidity data is completely unknown.
- —All documentation pages (/docs, /api, /pricing, /README) render only 'Connect wallet' with no useful content.
- —The endpoint path /api/v1/defi/SUSHI/liquidity is not listed on the landing page; only finance and crypto endpoints are shown there. This specific DeFi path may be undocumented or experimental.
- —No examples or parameter descriptions exist anywhere in the crawled material.
Citations
- —The x402 challenge requires a max payment of 20,000 base units of USDC on Base, equaling $0.02.https://lowpaymentfee.com/api/v1/defi/SUSHI/liquidity
- —The platform advertises $0.02 per request with no API keys, no rate limits, and instant access on Base network.https://lowpaymentfee.com
- —The USDC asset address on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913.https://lowpaymentfee.com/api/v1/defi/SUSHI/liquidity
- —Documentation pages (/docs, /api, /pricing, /README) contain only a 'Connect wallet' prompt.https://lowpaymentfee.com/docs