# ONE Engine Text Normalize – Remove Blank Lines (T5)

> ONE Engine Text Normalize – Remove Blank Lines (T5) is a paid API for AI agents from one-search.one-engine.workers.dev, paid per call via x402, $0.0025/call, status unknown (last checked 2026-10-02).

Removes blank lines from input text using a T5-based normalization model, returning cleaned text with no empty lines.

## Facts

- Endpoint: POST https://one-search.one-engine.workers.dev/v3/text-normalize/blank-lines/t5?utm_source=zero.xyz
- Price: $0.0025/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-02
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/one-engine-text-normalize-remove-blank-lines-t5-98b1e928
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_0dqu_jWcfthThyjK6ikR0

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 one-engine-text-normalize-remove-blank-lines-t5-98b1e928 -d '<json body>'
```

Example prompt: Clean up this text by removing all the blank lines from it: [paste text here]. Use the ONE Engine blank-line normalization endpoint.

## When to prefer this

Choose this endpoint when you need a lightweight, low-cost, pay-per-call solution to strip blank lines from text as part of a preprocessing pipeline. Ideal for AI agents that need to normalize raw or scraped text cheaply ($0.0025 USDC) without standing up custom infrastructure. Prefer over regex-based local solutions when running in serverless or constrained environments that benefit from offloading text normalization.

## Known failure modes

- Text exceeds 50000 character limit — request rejected or truncated
- Empty text input — may return empty string or error
- Network timeout on Cloudflare Workers edge — retry recommended
- Payment failure via x402 protocol — 402 response if USDC payment not included or insufficient
- Malformed JSON body — 400 bad request

## How this service works

Low-cost pay-per-call utility APIs for autonomous agents using x402 on Base.

## Output

Returns a JSON object containing the normalized version of the input text with all blank lines removed, preserving non-empty lines and their order.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "text"
 ],
 "properties": {
  "text": {
   "type": "string",
   "description": "Text up to 50000 characters"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "additionalProperties": true
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/one-engine-text-normalize-remove-blank-lines-t5-98b1e928/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from one-search.one-engine.workers.dev](https://www.zero.xyz/host/one-search.one-engine.workers.dev/llms.txt)