# Compatify Compatibility Check

> Compatify Compatibility Check is a paid API for AI agents from api.compatify.io, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-15).

Checks compatibility between two items or entities and returns a boolean result with confidence score and purchase recommendation

## Facts

- Endpoint: POST https://api.compatify.io/v1/query
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/compatify-compatibility-check-91ae1055
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_5XN_WZQDbYxzTIJIHaDS9

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 compatify-compatibility-check-91ae1055 -d '<json body>'
```

Example prompt: Can you run a Compatify compatibility check to see if the Samsung Galaxy S24 Ultra is compatible with the Anker 45W USB-C charger, and whether I should go ahead and buy it?

## When to prefer this

Use Compatify when you need a structured, machine-readable compatibility verdict with a confidence score and an explicit purchase recommendation signal — especially when automating e-commerce or purchasing workflows where you need a boolean go/no-go decision rather than a free-text search result.

## Known failure modes

- Ambiguous or unrecognized item names may return low confidence scores or null results
- Query too vague to resolve compatibility — returns low confidence with generic notes
- Items outside the knowledge base return uncertain or empty compatibility_notes
- Network timeout or service unavailability returns HTTP 5xx
- Insufficient funds (x402 payment failure) prevents query from executing

## How this service works

Compatify compatibility check

## Output

Returns an object with: 'compatible' (boolean indicating whether the queried items are compatible), 'confidence' (numeric confidence score for the result), 'compatibility_notes' (explanatory text about the compatibility result), 'recommended_for_purchase' (boolean indicating if the combination is recommended to buy), and 'source' (string indicating the data source used).

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/compatify-compatibility-check-91ae1055/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.compatify.io](https://www.zero.xyz/host/api.compatify.io/llms.txt)