# Ed25519 Signature Verify Light

> Ed25519 Signature Verify 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, returning a lightweight pass/fail result

## Facts

- Endpoint: POST https://kihustle.tech/nexus/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-verify-light-31dc0100
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_p6Ye333EWPD30u-YHzohy

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-verify-light-31dc0100 -d '<json body>'
```

Example prompt: Can you verify this Ed25519 signature for me — I have a signed text message and I need to confirm it's authentic before I process it.

## When to prefer this

Choose this endpoint when you need a lightweight, fast, low-cost Ed25519 signature verification without heavy infrastructure — ideal for agents that need to authenticate messages or payloads on the fly without running local cryptographic libraries. Prefer this over heavier signature suites when Ed25519 is the specific curve in use.

## Known failure modes

- Invalid or malformed signature returns an error status
- Missing required 'text' field causes a 400-level error
- Signature does not match the text, returning a failed verification result
- Public key not provided or mismatched leading to verification failure
- Network timeout or service unavailability

## 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 indicating 'processed' and a 'status' field of 'success' or failure, confirming whether the Ed25519 signature for the submitted 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-verify-light-31dc0100/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)