# fastapi.online Password Generator

> fastapi.online Password Generator is a paid API for AI agents from api.fastapi.online, paid per call via x402, $0.0005/call, status down (last checked 2026-09-15).

Generates a random password of specified length and character composition (uppercase, lowercase, digits, symbols)

## Facts

- Endpoint: POST https://api.fastapi.online/password-generate
- Price: $0.0005/call
- Payment: x402
- Status: down
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/fastapi-online-password-generator-e87193ec
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_N-h0K6csTHy9H9l7lCH14

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 fastapi-online-password-generator-e87193ec -d '<json body>'
```

Example prompt: Generate a random password that's 24 characters long, using uppercase letters, lowercase letters, digits, and symbols.

## When to prefer this

Choose this endpoint when you need a lightweight, no-signup, pay-per-call password generator with fine-grained control over character composition. Ideal for agents needing to programmatically generate credentials on demand without integrating a full identity management service.

## Known failure modes

- Length below minimum (4) or above maximum (128) returns a validation error
- All character type flags set to false may result in an error or empty character pool
- Network or server errors may return 5xx responses

## How this service works

Chat, embeddings, OCR, speech-to-text, image editing, image understanding (captioning/Q&amp;A), text-to-speech, translation, writing tools, classification tools, developer tools, local utilities, format/checksum validators, encoding &amp; crypto utilities, date/time calculators, geo/coordinate math, math &amp; finance calculators, novelty tools, and business/social writing generators — 179 endpoints in all, across multiple specialized self-hosted models. Pay per call with crypto — no signup — or get an API key.

## Output

Returns a randomly generated password string matching the requested length and character type constraints (lowercase, uppercase, digits, symbols). The output is a single password value ready for use.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "lower": {
   "type": "boolean"
  },
  "upper": {
   "type": "boolean"
  },
  "digits": {
   "type": "boolean"
  },
  "length": {
   "type": "integer",
   "maximum": 128,
   "minimum": 4
  },
  "symbols": {
   "type": "boolean"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/fastapi-online-password-generator-e87193ec/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.fastapi.online](https://www.zero.xyz/host/api.fastapi.online/llms.txt)