Curve Finance DeFi positions data via x402 micropayment on Base for $0.02/request
What it does
This endpoint at lowpaymentfee.com provides access to Curve Finance DeFi position data through the x402 payment protocol. It is a POST endpoint that returns JSON and is settled on the Base network using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913). The maximum cost per request is 20,000 base units of USDC (6 decimals), which equals $0.02 USD.
The endpoint is part of a broader platform (lowpaymentfee.com) that offers dozens of pay-per-call APIs across categories including data analytics, AI/ML inference, finance/Web3, and infrastructure utilities — all priced at $0.02 per request with no API keys, no rate limits, and no minimum commitments. Payment is handled entirely via the x402 protocol's X-PAYMENT header on the Base L2 network.
Specific documentation for the Curve positions endpoint is not available — the docs, pricing, and API pages on the site all render only a "Connect wallet" prompt with no further content. The exact request body schema and response format are unknown. Based on the endpoint path (`/api/v1/defi/curve/positions`), it likely returns data about liquidity positions on the Curve Finance protocol, but the precise fields, filtering options, and response structure cannot be confirmed from the available material.
Capabilities
Use cases
- —Querying current Curve Finance liquidity positions for portfolio tracking
- —Integrating Curve DeFi position data into trading bots or dashboards
- —Agent-driven DeFi analytics that need on-demand Curve position lookups
Fit
Best for
- —AI agents needing pay-per-call DeFi data without API key management
- —Developers building Curve Finance dashboards or analytics tools
- —Automated DeFi portfolio monitoring with micropayment-based access
Not for
- —High-frequency trading requiring sub-second latency guarantees (no SLA documented)
- —Users who need comprehensive Curve protocol data beyond positions (only one endpoint documented here)
- —Anyone requiring detailed API documentation before integration (docs are currently empty)
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/defi/curve/positions \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-token>"Endpoint
Quality
The endpoint is live (returns a valid x402 402 challenge) and pricing is clear ($0.02/request in USDC on Base). However, there is no documentation, no request/response schema, and no examples available. The docs pages render only a wallet-connect prompt. The specific functionality of the Curve positions endpoint must be inferred entirely from the URL path.
Warnings
- —No API documentation available — all doc pages render only 'Connect wallet' with no content
- —Request body schema is unknown; no input parameters are documented
- —Response format and fields are completely undocumented
- —The endpoint path suggests Curve Finance DeFi positions but exact data returned cannot be verified
Citations
- —The endpoint returns a valid x402 challenge with maxAmountRequired of 20000 base units of USDC on Base networkhttps://lowpaymentfee.com/api/v1/defi/curve/positions
- —USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/defi/curve/positions
- —All APIs on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base networkhttps://lowpaymentfee.com