Free API30 req/minDeveloper Tools
Text Diff
Compare left and right text and return added/removed/unchanged lines.
By RSM DevOps
Public endpoint
GET
textdiff.apiseeker.com/v1/diffAuth: X-SEEKER-Key
Endpoint
Pass left and right as query parameters.
Method
GET
Path
/v1/diff
Full URL
https://textdiff.apiseeker.com/v1/diffAuthentication
Send X-SEEKER-Key on every request. Free tools still require a valid APISeeker key — no auth bypass.
Parameters
leftquerystringrequiredOriginal text
rightquerystringrequiredUpdated text
Request example
cURL
curl -s "https://textdiff.apiseeker.com/v1/diff?left=a%0Ab%0Ac&right=a%0Ax%0Ac" \
-H "X-SEEKER-Key: YOUR_API_KEY"Response example
JSON
{
"success": true,
"data": {
"changes": [
{
"op": "equal",
"line": "a"
},
{
"op": "remove",
"line": "b"
},
{
"op": "add",
"line": "x"
},
{
"op": "equal",
"line": "c"
}
]
},
"request_id": "req_example"
}Errors & limits
- 400Invalid or missing parameters
- 401Missing or invalid API key
- 429Rate limit exceeded
Rate limit: 30 req/min
Playground
Live playground
Text Diff
Sign in to send live requests. Docs and URL preview stay open. Log in
GETRequest URL
https://textdiff.apiseeker.com/v1/diff?left=a%0Ab%0Ac&right=a%0Ax%0AcStatus: —Latency: —
Response
Response will appear here after you send a request.
