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fastapi.online — Protocol TVL Lookup
x402
fastapi.online — Protocol TVL Lookup is a paid API for AI agents from api.fastapi.online, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-23).
Returns the Total Value Locked (TVL) data for a specified DeFi protocol by name
Price / call$0.001
Success—
StatusUnknown
How this service works
Chat, embeddings, OCR, speech-to-text, image editing, image understanding (captioning/Q&A), text-to-speech, translation, writing tools, classification tools, developer tools, local utilities, format/checksum validators, encoding & crypto utilities, date/time calculators, geo/coordinate math, math & finance calculators, novelty tools, and business/social writing generators — 179 endpoints in all, across multiple specialized self-hosted models. Pay per call with crypto — no signup — or get an API key.
Output
Returns TVL (Total Value Locked) data for the specified DeFi protocol, likely including the TVL figure in USD and possibly historical or breakdown information depending on the data source.
Example use cases
DeFi protocol TVL comparison
“Can you look up the TVL for Aave so I can compare it with other lending protocols?”
Portfolio DeFi exposure check
“What's the total value locked in Curve Finance right now? I want to assess how much liquidity is sitting there.”
DeFi research snapshot
“Fetch the TVL for the Lido protocol — I'm putting together a report on liquid staking projects.”
Technical details
Endpoint
POSThttps://api.fastapi.online/protocol-tvl?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a quick, pay-per-call TVL lookup for a named DeFi protocol without requiring API key signup. Prefer this over scraping DeFi dashboards when you need programmatic access at low cost and without authentication overhead.
Side effects
- Unknown or misspelled protocol name returns empty or error response
- Protocol not tracked returns null or 404-equivalent
- Data may be stale if the underlying data source is not frequently updated
- Crypto payment failure if wallet balance is insufficient
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| protocol | string |
Tags
x402
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