Tool detail

DeFi Protocol TVL API

Returns a DeFi protocol's current TVL in USD, per-chain breakdown, 1h/1d/7d change, category, chains and token market cap for a DefiLlama protocol slug or name.

Categories: Defi, Market prices

Use when

check a DeFi protocol's total value locked
compare a protocol's TVL across chains
get a protocol's 24h or 7d TVL change
look up a protocol's category and token market cap

Not for

not for unlisted protocols (returns found:false with name suggestions)
not historical TVL beyond the 1h/1d/7d deltas given

Inputs

POST JSON body: { protocol: string 1-80 chars } (required); chain: string 1-50 chars (optional)

Admitted input schema

{
  "type": "object",
  "properties": {
    "chain": {
      "type": "string",
      "minLength": 1,
      "maxLength": 50,
      "description": "Optional chain to also report the protocol's TVL on, e.g. \"Ethereum\", \"Base\", \"Arbitrum\"."
    },
    "protocol": {
      "type": "string",
      "minLength": 1,
      "maxLength": 80,
      "description": "DefiLlama protocol slug or exact name, e.g. \"aave-v3\", \"lido\", \"uniswap-v3\", \"Curve Finance\"."
    }
  },
  "required": [
    "protocol"
  ],
  "additionalProperties": false
}

Endpoint

Method: POST
URL: https://crypto.openverbs.com/v1/protocol

Payment

Protocol: x402
Listed price: 0.001 USDC per call on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: POST https://crypto.openverbs.com/v1/protocol
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z