# PBKDF2 Key Derivation API

> PBKDF2 Key Derivation API is a paid API for AI agents from kihustle.tech, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-14).

Derives a cryptographic key from a password using the PBKDF2 algorithm with configurable salt, iterations, and output length

## Facts

- Endpoint: POST https://kihustle.tech/agents/api/v1/pbkdf2-derivator
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/pbkdf2-key-derivation-api-a117fd4a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_X4iGGQBz8jVqnCHaCuiZm

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 pbkdf2-key-derivation-api-a117fd4a -d '<json body>'
```

Example prompt: Derive a PBKDF2 key from the password 'mySecretPass', using salt 'ab12cd34', 100000 iterations, and output length of 32 bytes.

## When to prefer this

Use this endpoint when you need a hosted, pay-per-call PBKDF2 key derivation service without managing your own cryptographic infrastructure. Suitable for lightweight agents or serverless workflows that need password hardening or key derivation on demand without a local crypto library.

## Known failure modes

- Missing required fields (password, salt, iterations, or length) return an error
- Excessively high iteration count may cause timeouts
- Invalid data types for iterations or length (non-integer) may cause rejection
- Empty password or salt strings may result in weak or invalid derivation
- Service unavailability returns a non-success status

## How this service works

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## Output

Returns a JSON object with a 'result' field containing the PBKDF2-derived key and a 'status' field indicating success. The derived key can be used for encryption, authentication, or secure password storage.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "salt": {
   "type": "string"
  },
  "length": {
   "type": "integer"
  },
  "password": {
   "type": "string"
  },
  "iterations": {
   "type": "integer"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "result": "processed",
  "status": "success"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/pbkdf2-key-derivation-api-a117fd4a/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from kihustle.tech](https://www.zero.xyz/host/kihustle.tech/llms.txt)