# Ed25519 Signature Verification (Light)

> Ed25519 Signature Verification (Light) 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).

Verifies an Ed25519 digital signature for a given text input and returns a pass/fail result.

## Facts

- Endpoint: POST https://kihustle.tech/bot-bazaar/api/v1/ed25519-signature-verify-light
- 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/ed25519-signature-verification-light-dc506a83
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap__QDOYnWJFyCs4yzOKT_Bw

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 ed25519-signature-verification-light-dc506a83 -d '<json body>'
```

Example prompt: Can you verify this Ed25519 signature for the message 'Hello, world!' and tell me if it's valid?

## When to prefer this

Choose this endpoint when you need a lightweight, low-cost Ed25519 signature verification step within an automated workflow or agent pipeline, especially when you only need a simple pass/fail result without full cryptographic library integration on your side.

## Known failure modes

- Invalid or malformed signature input returns error or failure status
- Missing 'text' field in request body causes validation error
- Signature does not match the provided text returns failed verification result
- Network or service unavailability returns HTTP error

## How this service works

Kostenlose Guides, Solo-Playbooks und Artikel zu KI, Automation und Side Hustles — für Menschen, die mit echten Systemen online Einkommen aufbauen wollen. Transparent finanziert über faire Affiliate-Links.

## Output

Returns a JSON object with a 'result' field ('processed') and a 'status' field ('success' or failure indicator), indicating whether the Ed25519 signature for the provided text is valid.

## Request schema (JSON Schema)

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

## Response schema (JSON Schema)

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

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/ed25519-signature-verification-light-dc506a83/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)