# vaults.fyi Historical TVL Time-Series

> vaults.fyi Historical TVL Time-Series is a paid API for AI agents from api.vaults.fyi, paid per call via x402, $0.102/call, status unknown (last checked 2026-10-10).

Retrieves time-series historical TVL (Total Value Locked) data for a specific vault on a given blockchain network, with breakdowns by base yield and rewards components over a customizable time range

## Facts

- Endpoint: HEAD https://api.vaults.fyi/v2/historical/:network/:vaultId/tvl?utm_source=zero.xyz
- Price: $0.102/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-10
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/vaults-fyi-historical-tvl-time-series-0c30caa7
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_e_72er570OSFnDD7KCSbH

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-tvl-time-series-0c30caa7 -d '<json body>'
```

Example prompt: Pull the historical TVL time-series for the USDC vault (vault ID usdc-main) on Ethereum from vaults.fyi, including the base yield and rewards breakdown, covering the last 90 days.

## When to prefer this

Use this endpoint when you need granular time-series TVL history for a specific vault, particularly when you want to distinguish between base yield and rewards contributions to TVL. Prefer this over the combined APY+TVL endpoint when TVL trending or liquidity analysis is the primary goal. Best suited for charting, dashboards, and due diligence workflows on individual vaults.

## Known failure modes

- Invalid or unsupported network identifier returns 404 or validation error
- Unknown vault ID returns not found error
- Requested time range exceeds available historical data
- Rate limiting or payment failure (x402) blocks the request
- Malformed date/time range parameters cause 400 bad request
- Vault with no historical TVL data returns empty series

## How this service works

Retrieves time-series historical TVL data for a specific vault, including base yield and rewards components over a customizable time range

## Output

Returns a time-series array of TVL data points for the specified vault, each with a timestamp, total TVL value, and a breakdown into base yield and rewards components. Enables charting, trend analysis, and liquidity monitoring over the requested historical period.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/vaults-fyi-historical-tvl-time-series-0c30caa7/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)