---
title: "Map an autonomous agent claim or output to supplied evidence and return SUPPORTED, PARTIALLY_SUPPORTED, NOT_PROVEN, or CONTRADICTED with explicit unsupported elements, contradictions, missing evidence, and recommended verification."
method: POST
path: "/v1/agent-claim-output-verifier"
tags: ["developer-tools"]
---

# Map an autonomous agent claim or output to supplied evidence and return SUPPORTED, PARTIALLY_SUPPORTED, NOT_PROVEN, or CONTRADICTED with explicit unsupported elements, contradictions, missing evidence, and recommended verification.

`POST /v1/agent-claim-output-verifier`

## Request

- Base URL: `https://api.salt19.com`
- URL: `https://api.salt19.com/v1/agent-claim-output-verifier`
- Auth: none required

Map an autonomous agent claim or output to supplied evidence and return SUPPORTED, PARTIALLY_SUPPORTED, NOT_PROVEN, or CONTRADICTED with explicit unsupported elements, contradictions, missing evidence, and recommended verification.

## Headers

- `Idempotency-Key` string

## Request body

- object
  - `claim` string, required
  - `evidence` union[]
    - union
      - string
      - object
        - `id` string
        - `statement` string, required
        - `relation` 'SUPPORTS' | 'CONTRADICTS' | 'NEUTRAL'
        - `source` string
        - `observed_at` string
  - `context` string
  - `required_standard` string

## Response `200`

Successful paid result

## Other responses

- `402`: x402 payment required

---

[API](https://skmtc.dev/salt19/apis/salt19-agent-utility-grid.md) · [All operations](https://skmtc.dev/salt19/apis/salt19-agent-utility-grid/llms.txt) · [OpenAPI document](https://skmtc.dev/salt19/apis/salt19-agent-utility-grid/revisions/c2520ca8ffbf?raw)