# DeFi TVL Protocols Lookup

> DeFi TVL Protocols Lookup is a paid API for AI agents from x402-toolbox.shablony-pro.workers.dev, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-02).

Returns total value locked (TVL) data for DeFi protocols via a pay-per-call x402 endpoint requiring no API key.

## Facts

- Endpoint: GET https://x402-toolbox.shablony-pro.workers.dev/crypto/defi-tvl-protocols?utm_source=zero.xyz
- Price: $0.003/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-02
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/defi-tvl-protocols-lookup-2f092cfd
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_d7XMs4-gyBD0OfU2nHo3d

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability defi-tvl-protocols-lookup-2f092cfd
```

Example prompt: Pull the current TVL data for all DeFi protocols so I can see which ones are leading by total value locked.

## When to prefer this

Choose this endpoint when you need DeFi protocol TVL data without requiring an API key or account registration — payment via USDC on Base serves as authentication. Prefer this over DeFiLlama's free API when operating in an agent context that already uses x402 micropayments for tool access, or when you need a single unified toolbox call rather than managing separate API credentials.

## Known failure modes

- Payment failure if USDC balance is insufficient or x402 payment header is malformed
- Invalid schema parameter may return an error or empty result
- Rate limiting or worker downtime on the Cloudflare Workers host
- Stale or unavailable upstream data source returning incomplete protocol lists

## How this service works

309 deterministic pay-per-call tools for AI agents over x402 (USDC, Base). No signup, no API key: the payment is the identity.

## Output

A JSON response containing TVL data for DeFi protocols, including protocol names and their respective total value locked figures, returned as a structured JSON object with ok and paid status fields along with the protocol data.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "schema": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "ok": true,
  "paid": true
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/defi-tvl-protocols-lookup-2f092cfd/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402-toolbox.shablony-pro.workers.dev](https://www.zero.xyz/host/x402-toolbox.shablony-pro.workers.dev/llms.txt)