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GET /v1/tvl

Spark TVL total and per-chain breakdown

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10 free calls per day — no sign-up, no API key. Goes through the oanor gateway.

Custom headers (optional)
api.oanor.com/spark-api

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Code snippets

curl "https://api.oanor.com/spark-api/v1/tvl" \
  -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/spark-api/v1/tvl", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/spark-api/v1/tvl");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);
import requests
requests.get(
    "https://api.oanor.com/spark-api/v1/tvl",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

A real response from this endpoint, captured by the latest health check.

{
    "data": {
        "note": "Total value locked across Spark (SparkLend + Spark Savings), in USD.",
        "chains": [
            {
                "tvl": 4481161274.08,
                "chain": "Ethereum"
            },
            {
                "tvl": 141270349,
                "chain": "Arbitrum"
            },
            {
                "tvl": 26669809,
                "chain": "Base"
            },
            {
                "tvl": 19163687,
                "chain": "OP Mainnet"
            },
            {
                "tvl": 15136074,
                "chain": "Unichain"
            },
            {
                "tvl": 358204,
                "chain": "Gnosis"
            },
            {
                "tvl": -0.11,
                "chain": "Avalanche"
            }
        ],
        "source": "DeFiLlama",
        "protocol": "Spark",
        "total_tvl": 4683759402.97,
        "chain_count": 7
    },
    "meta": {
        "timestamp": "2026-06-14T08:04:23.727Z",
        "request_id": "b453a460-5944-46a0-a5e7-627721ad5901"
    },
    "status": "ok",
    "message": "Spark TVL retrieved successfully",
    "success": true
}