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AgentBIT Content Diff
x402
AgentBIT Content Diff is a paid API for AI agents from agentbit.app, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-12).
Computes a text diff between two strings, returning the differences between an original and a revised version
Price / call$0.002
Success—
StatusUnknown
How this service works
Diff two texts offline (LCS-based): the added and removed lines, a count of changed line-pairs, added/removed word tallies and a 0-1 similarity ratio. Key-less, instant, $0.002.
Output
A JSON object describing the differences between the two input texts, including additions, deletions, and unchanged sections, allowing the agent to understand precisely what changed between the original and revised strings.
Example use cases
Contract revision review
“Here's the original contract clause and the revised version my lawyer sent back — can you show me exactly what they changed? Original: 'Payment is due within 30 days of invoice.' Revised: 'Payment is due within 14 days of invoice receipt and is subject to a 2% late fee.'”
Code review change detection
“I have the old version and new version of this function — can you diff them and tell me what lines were added, removed, or changed?”
Article draft comparison
“I edited this blog post draft and want to see a clean diff — here's the original draft and here's the updated version, can you highlight what I changed?”
Technical details
Endpoint
POSThttps://agentbit.app/v1/content/diff?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a lightweight, pay-per-call text comparison without setting up any infrastructure or API keys. It is ideal for agents that occasionally need to compare document versions, detect edits, or audit changes between two text strings up to 100k characters, and where a simple diff output is sufficient rather than a full version-control system.
Side effects
- Input text exceeds 100k character limit — request will fail or be truncated
- Missing 'a' or 'b' field in request body — returns validation error
- Both strings identical — returns empty diff with no changes
- Malformed JSON body — returns parse error
- Network timeout on very large texts near the character limit
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| a | string | The original text (up to 100k characters) |
| b | string | The revised text (up to 100k characters) |
Output
Schema · Response
{
"type": "json",
"example": {}
}Tags
x402
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Zero review prompt (fires after every successful call)
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