# GadgetHumans Contacts API

> GadgetHumans Contacts API is a paid API for AI agents from api.gadgethumans.com, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-10).

Submits contact information or a contact-related text payload to the GadgetHumans API Hub

## Facts

- Endpoint: GET https://api.gadgethumans.com/contacts?utm_source=zero.xyz
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-10
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/gadgethumans-contacts-api-c2e37d48
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_9tkjpO1yRLXJuF9g9Gxiy

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 gadgethumans-contacts-api-c2e37d48
```

Example prompt: Save this contact info to GadgetHumans for me: 'John Smith, john@example.com, +1-555-0100'.

## When to prefer this

Choose this endpoint when you need a lightweight, low-cost ($0.002 USDC) way to submit or store contact records as text within the GadgetHumans API Hub ecosystem, especially if you are already using other GadgetHumans tools and want a consolidated platform. It is best for simple text-based contact submission without complex CRM workflows.

## Known failure modes

- Missing or empty text field returns a validation error
- Malformed request body may result in a 400 Bad Request
- Insufficient payment (x402) may block the request before processing
- Server-side errors may return 500 with no detailed message
- Rate limiting on the free tier may cause 429 Too Many Requests

## How this service works

MCP server with 49 developer tools + 300+ REST APIs — agent memory, QR codes, passwords, AI text, finance, health, crypto, weather, and more. Free tier, no API key needed.

## Output

Returns a simple JSON object with {ok: true} confirming the contact record was successfully submitted and stored.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "text": {
   "type": "string",
   "description": "Parameter: text"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "ok": true
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/gadgethumans-contacts-api-c2e37d48/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.gadgethumans.com](https://www.zero.xyz/host/api.gadgethumans.com/llms.txt)