---
title: "Line-based text comparison"
method: POST
path: "/api/agent-commerce/v1/services/text_line_compare/execute"
tags: ["data_tools"]
---

# Line-based text comparison

`POST /api/agent-commerce/v1/services/text_line_compare/execute`

## Request

- Base URL: `https://www.tradepilotusa.com` (the document declares no server; this is the origin it was published from)
- URL: `https://www.tradepilotusa.com/api/agent-commerce/v1/services/text_line_compare/execute`
- Auth: none declared

Compare two texts using deterministic longest-common-subsequence line matching. Returns unchanged, removed and added lines. Preserves whitespace within lines; normalizes CRLF/CR to LF. Maximum 200 lines and 20,000 characters per text; not a semantic comparison.

## Request body

- object
  - `after` string, required
  - `before` string, required

## Response `200`

Successful response

- object
  - `result` object, required
    - `operations` object[], required
      - `kind` 'equal' | 'delete' | 'insert', required
      - `text` string, required
    - `added_lines` integer, required
    - `removed_lines` integer, required
    - `line_endings_normalized` unknown, required
  - `utility` 'text_line_compare', required
  - `provenance` object, required
    - `execution` 'deterministic_local', required
    - `model_used` unknown, required
    - `network_request_performed` unknown, required
  - `request_id` string, required

## Other responses

- `402`: Payment Required

---

[API](https://skmtc.dev/tradepilotusa/apis/tradepilotusa-agent-commerce.md) · [All operations](https://skmtc.dev/tradepilotusa/apis/tradepilotusa-agent-commerce/llms.txt) · [OpenAPI document](https://skmtc.dev/tradepilotusa/apis/tradepilotusa-agent-commerce/revisions/1060778e0a57?raw)