---
title: "Upload evidence files"
method: POST
path: "/dispute/disputes/{disputeId}/evidences"
tags: ["Disputes"]
---

# Upload evidence files

`POST /dispute/disputes/{disputeId}/evidences`

Upload evidence files on the dispute.

## Path parameters

- `disputeId` string, uuid, required

## Headers

- `x-idempotency-key` string, uuid, required

## Response `201`

Dispute evidences uploaded.

- object
  - `evidences` object[], required
    - `id` string, uuid, required — Unique identifier of the Dispute in Payrails.
    - `createdAt` string, date-time, required — Date and time when the Dispute was created in Payrails.
    - `updatedAt` string, date-time, required — Date and time when the Dispute was last updated in Payrails.
    - `displayTitle` string — Display title of the evidence, usually the file name.
    - `status` 'Active' | 'Inactive' | 'Unknown' — Status of the dispute evidence.
    - `provenance` 'Merchant' | 'Payrails' | 'Unknown' — Provenance of the dispute evidence.
    - `contentType` string — MIME type of the evidence content.
    - `contentLength` integer — Size of the evidence content in bytes.
    - `payload` object — Inline JSON payload for inline-context evidences. Present only for evidences created from `inlineContexts`; omitted for file-backed evidence.
    - `workspaceId` string, uuid — Workspace ID that the Dispute belongs to.
    - `labels` string[] — Labels assigned to this evidence for the dispute, used to categorise the document during representment.
  - `failedEvidences` object[], required
    - `name` string, required — Name of the evidence file.
    - `errorMessage` string, required — Error due to which evidence uploading failed.
  - `classifications` object[] — AI classifications for the uploaded evidence files. Present for each file where classification completed (status "classified" or "failed"). Omitted when the evidence agent feature is not enabled.
    - `evidenceId` string, uuid, required — Unique identifier of the evidence file that was classified.
    - `disputeId` string, uuid, required — Unique identifier of the dispute the evidence belongs to.
    - `status` 'classifying' | 'classified' | 'failed', required — Classification status.
    - `contentSummary` string — AI-generated summary of the evidence file content.
    - `documentType` string — AI-inferred document type (e.g. "receipt", "shipping_label").
    - `provesStatement` string — AI-generated statement of what the evidence proves in the dispute context.
    - `keyFacts` string[] — List of key facts extracted from the evidence.
    - `suggestedPlanMatches` object[] — Representment plan slots this evidence is suggested to fill, ordered by confidence.
      - `defenseReasonCode` string, required — Defense reason code of the plan slot this evidence matches.
      - `slug` string, required — Slug identifier of the matching plan evidence slot.
      - `position` integer, required — Position of the matching slot within the defense type.
      - `rationale` string, required — AI-generated explanation for why this evidence matches the slot.
    - `providerResponseId` string — Identifier of the LLM provider response that produced this classification.
    - `createdAt` string, date-time — Date and time when the classification was created.
    - `updatedAt` string, date-time — Date and time when the classification was last updated.

## Other responses

- `400` — Bad Request.
- `401` — Unauthorized.
- `403` — Forbidden.
- `404` — Not Found.
- `429` — Too Many Requests.
- `500` — Internal Server Error.

---

[API](https://skmtc.net/payrails/apis/payrails-api-reference.md) · [All operations](https://skmtc.net/payrails/apis/payrails-api-reference/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/payrails/payrails-api-reference/revisions/9dd2f0158582/schema)