# SpyFu Accounts API - Monthly Usage Daily Breakdown

> SpyFu Accounts API - Monthly Usage Daily Breakdown is a free API for AI agents from spyfu.x402.paysponge.com, Free, status unknown (last checked 2026-09-14).

Returns daily API usage breakdown for a given calendar month for a SpyFu accounts subscription via the Sponge x402 payment proxy.

## Facts

- Endpoint: GET https://spyfu.x402.paysponge.com/apis/accounts_api/v2/usage/month/:usageDate/daily
- Price: Free
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/spyfu-75bbaecb
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_MrxNKjMZmKGhg96adZjuP

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 spyfu-75bbaecb
```

Example prompt: Can you pull the day-by-day API usage breakdown for my SpyFu account for March 2024 so I can see which days had the most calls?

## When to prefer this

Use this endpoint when you need a granular, day-level view of API consumption within a single calendar month for a SpyFu account — ideal for auditing usage spikes, debugging over-quota issues, or producing usage reports. Prefer over monthly aggregate endpoints when daily distribution matters.

## Known failure modes

- Invalid or malformed usageDate format returns 400 bad request
- Future date or date with no usage data may return empty result or 404
- Authentication/payment failure via x402 proxy returns 402 or 401
- Rate limiting on the proxy layer returns 429

## How this service works

GET /apis/accounts_api/v2/usage/month/:usageDate/daily

## Output

A list of daily usage records for the specified month, showing how many API calls were made on each day within that billing period.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/spyfu-75bbaecb/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from spyfu.x402.paysponge.com](https://www.zero.xyz/host/spyfu.x402.paysponge.com/llms.txt)