---
title: "Compare two sources on this claim (dashboard only)"
method: POST
path: "/api/v1/checks/{check_id}/claims/{claim_id}/comparisons"
tags: ["comparisons"]
---

# Compare two sources on this claim (dashboard only)

`POST /api/v1/checks/{check_id}/claims/{claim_id}/comparisons`

## Request

- Base URL: `https://api.trueight.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.trueight.com/api/v1/checks/{check_id}/claims/{claim_id}/comparisons`
- Auth: HTTP bearer

## Path parameters

- `check_id` string, required
- `claim_id` string, required

## Request body

- CreateComparisonRequest
  - `evidenceA` string, required
  - `evidenceB` string, required

## Response `200`

Comparison (fresh or cached)

- unknown

## Other responses

- `404`: Check or claim not found
- `409`: Comparison budget exhausted
- `422`: Invalid pair
- `502`: Fetch or model failure — not charged

---

[API](https://skmtc.dev/trueight/apis/tru8-evidence-research-api.md) · [All operations](https://skmtc.dev/trueight/apis/tru8-evidence-research-api/llms.txt) · [OpenAPI document](https://skmtc.dev/trueight/apis/tru8-evidence-research-api/revisions/5684065fa01a?raw)