# vaults.fyi Historical APY & TVL

> vaults.fyi Historical APY & TVL is a paid API for AI agents from api.vaults.fyi, paid per call via x402, $0.306/call, status unknown (last checked 2026-10-11).

Retrieves historical APY and TVL time-series data for a specific DeFi vault on a given blockchain network.

## Facts

- Endpoint: HEAD https://api.vaults.fyi/v2/historical/:network/:vaultId?utm_source=zero.xyz
- Price: $0.306/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-11
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/vaults-fyi-historical-apy-tvl-6cc1639b
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_nQzH08GyDBtP_zJy59otb

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 vaults-fyi-historical-apy-tvl-6cc1639b -d '<json body>'
```

Example prompt: Can you pull up the historical APY and TVL data for vault 0xabc123 on the Ethereum network so I can see how its yield has trended over time?

## When to prefer this

Use this endpoint when you need historical APY and TVL data for a specific vault — ideal for trend analysis, performance monitoring, or investment research. Prefer this over the TVL-only or APY-only breakdown endpoints when you need both metrics in a combined historical view. Choose the sibling TVL-specific endpoint if you only need granular TVL breakdown components.

## Known failure modes

- Invalid or unsupported network identifier returns 404 or error
- Unknown vaultId returns empty or not-found response
- Missing required path parameters returns 400 bad request
- Rate limiting or quota exceeded returns 429
- No historical data available for very new vaults

## How this service works

Retrieves historical APY and TVL for a specific vault, based on the provided query parameters.

## Output

Returns a time-series dataset containing historical APY (annual percentage yield) and TVL (total value locked) values for the specified vault on the given network, indexed over time and queryable via parameters.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/vaults-fyi-historical-apy-tvl-6cc1639b/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.vaults.fyi](https://www.zero.xyz/host/api.vaults.fyi/llms.txt)