Text Diff API

Line-by-line diff of two texts. Returns added, removed, unchanged. Available as a simple REST API — POST your input, get structured JSON back. 3 credits per call, no rate limiting, works in any language with HTTP support.

How it works

POST a JSON object with your input data to /v1/text-diff. The API processes your request server-side using real computation (not mocked data) and returns a structured JSON response with your results and metadata including credits used and processing time.

Use cases

• Use Text Diff in automated pipelines without installing a library
• Call Text Diff from AI agent workflows via MCP or REST
• Integrate Text Diff into serverless functions with zero dependencies
• Build Text Diff functionality into any language that supports HTTP

API Reference

POST https://slopshop.gg/v1/text-diff
Authorization: Bearer YOUR_API_KEY
Content-Type: application/json

Input parameters

Example response

{
  "data": {
    "result": "processed output",
    "count": 7
  },
  "meta": {
    "credits_used": 3,
    "engine": "real",
    "ms": 4
  }
}

Examples

Three real-world scenarios showing how developers use Text Diff in production.

curl -X POST https://slopshop.gg/v1/text-diff \
  -H "Authorization: Bearer $SLOPSHOP_KEY" \
  -H "Content-Type: application/json" \
  -d '{"text": "Hello, world!"}'

curl -X POST https://slopshop.gg/v1/text-diff \
  -H "Authorization: Bearer $SLOPSHOP_KEY" \
  -H "Content-Type: application/json" \
  -d '{"text": "The quarterly revenue report shows a significant increase across all major product lines compared to the previous year."}'

curl -X POST https://slopshop.gg/v1/text-diff \
  -H "Authorization: Bearer $SLOPSHOP_KEY" \
  -H "Content-Type: application/json" \
  -d '{"text": "function calculateTotal(items) { return items.reduce((sum, item) => sum + item.price, 0); }"}'

Code examples

curl

curl -X POST https://slopshop.gg/v1/text-diff \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"input": "your data here"}'

Python

import requests

response = requests.post(
    "https://slopshop.gg/v1/text-diff",
    headers={"Authorization": "Bearer YOUR_API_KEY"},
    json={"input": "your data here"}
)
result = response.json()
print(result["data"])

Node.js

const response = await fetch("https://slopshop.gg/v1/text-diff", {
  method: "POST",
  headers: {
    "Authorization": "Bearer YOUR_API_KEY",
    "Content-Type": "application/json"
  },
  body: JSON.stringify({ input: "your data here" })
});
const { data } = await response.json();
console.log(data);

CLI

# Install the Slopshop CLI
npm install -g slopshop

# Set your API key
export SLOPSHOP_KEY=your_api_key

# Call text-diff
slop text-diff '{"input": "your data here"}'

Pricing

Credits are purchased in bundles starting at $1 for 1,000 credits. All compute APIs like this one use 3 credits per call — that's $0.003. See all pricing tiers.

Related APIs in Text Processing

• Word Count API — Count words, characters, sentences, and paragraphs in text.
• Character Count API — Count characters with and without spaces, by type.
• Extract Emails API — Extract all email addresses from text using pattern matching.
• Extract URLs API — Extract all URLs from text.
• Extract Phones API — Extract phone numbers from text.

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