# SignalDesk AI – Deduplicate Lines

> SignalDesk AI – Deduplicate Lines is a paid API for AI agents from x402-agent.kariguetoazul.workers.dev, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-13).

Removes duplicate lines from a block of text, returning only unique lines

## Facts

- Endpoint: POST https://x402-agent.kariguetoazul.workers.dev/api/text/deduplicate-lines?utm_source=zero.xyz
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/signaldesk-ai-deduplicate-lines-4a1e9b01
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_FrYtsiGm6jp-Dhg83uUlv

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 signaldesk-ai-deduplicate-lines-4a1e9b01 -d '<json body>'
```

Example prompt: Can you deduplicate this list for me and give back only the unique lines? Here it is: 'apple
banana
apple
orange
banana
grape'

## When to prefer this

Use this endpoint when you need a simple, low-cost ($0.001 USDC) programmatic deduplication of newline-separated text up to 4096 characters. Prefer it over local string manipulation when operating inside an agentic workflow that already uses x402 micropayment infrastructure and needs a reliable hosted utility function.

## Known failure modes

- Text exceeds 4096 character limit — request rejected
- Empty text input — may return empty string or error
- Payment not provided or insufficient — 402 response blocking execution
- Malformed JSON body — 400 bad request
- Network timeout on Cloudflare Workers edge

## How this service works

Evidence-backed autonomous AI jobs and paid data tools. Queue/D1/cron run outside the chat; free quotas and bounded execution apply.

## Output

A JSON object with a 'text' field containing the original text with duplicate lines removed, preserving only unique lines in their original order.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "text": {
   "type": "string",
   "maxLength": 4096,
   "description": "Text to process."
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "text": "a\nb"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/signaldesk-ai-deduplicate-lines-4a1e9b01/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402-agent.kariguetoazul.workers.dev](https://www.zero.xyz/host/x402-agent.kariguetoazul.workers.dev/llms.txt)