---
title: "Evidence line: one signed file carrying every measurement (with its evidence bundle), receipt, certificate day and seal for a domain and period; verifies offline with crawlcheck-verify.mjs (Evidence add-on, Agency, or owner)"
method: GET
path: "/api/evidence/export"
---

# Evidence line: one signed file carrying every measurement (with its evidence bundle), receipt, certificate day and seal for a domain and period; verifies offline with crawlcheck-verify.mjs (Evidence add-on, Agency, or owner)

`GET /api/evidence/export`

## Request

- Base URL: `https://crawlcheck.io`
- URL: `https://crawlcheck.io/api/evidence/export`
- Auth: one of:
  - API key in header `x-crawlcheck-key`
  - HTTP bearer

## Query parameters

- `domain` string, required
- `from` string, date
- `to` string, date
- `download` '1'

## Response `200`

crawlcheck-evidence-export

- object, nullable
  - `kind` string, nullable
  - `v` number, nullable
  - `generated_at` string, nullable
  - `domain` string, nullable
  - `window` object, nullable
    - `from` string, nullable
    - `to` string, nullable
    - `days` number, nullable
    - `clipped` boolean, nullable
  - `observer` object, nullable
    - `name` string, nullable
    - `version_id` unknown
    - `version_tag` unknown
  - `counts` object, nullable
    - `records` number, nullable
    - `missing` number, nullable
    - `receipts` number, nullable
    - `seal_days` number, nullable
    - `archived_records_in_window` string, nullable
    - `truncated` boolean, nullable
    - `next_from` unknown
  - `records` object[], nullable
    - `id` string, nullable
    - `scanned_at` string, nullable
    - `grade` string, nullable
    - `overall` number, nullable
    - `score_version` number, nullable
    - `refused` boolean, nullable
    - `findings` number, nullable
    - `manifest_sha256` string, nullable
    - `digest` string, nullable
    - `seal` object, nullable
      - `state` string, nullable
      - `day` string, nullable
      - `root` unknown
      - `bitcoin_block` unknown
    - `bundle` object, nullable
      - `kind` string, nullable
      - `version` number, nullable
      - `generated_at` string, nullable
      - `report` object, nullable
      - `verifier` object, nullable
      - `proves` unknown[], nullable
        - unknown
      - `does_not_prove` unknown[], nullable
        - unknown
      - `manifest` object, nullable
      - `record` object, nullable
      - `seal` object, nullable
  - `receipts` unknown[], nullable
    - unknown
  - `certificate` object, nullable
    - `since` string, nullable
    - `from` string, nullable
    - `measurements` number, nullable
    - `days_tracked` number, nullable
    - `days_certified` number, nullable
    - `days_not_certified` number, nullable
    - `days_unmeasured` number, nullable
    - `streak_days` number, nullable
    - `recent` object[], nullable
      - `day` string, nullable
      - `state` string, nullable
  - `seals` object[], nullable
    - `day` string, nullable
    - `state` string, nullable
    - `why` string, nullable
  - `verifier` object, nullable
    - `url` string, nullable
    - `sha256` string, nullable
    - `run` string, nullable
    - `page` string, nullable
  - `proves` unknown[], nullable
    - unknown
  - `does_not_prove` string[], nullable
  - `export_sha256` string, nullable
  - `signature` object, nullable
    - `v` number, nullable
    - `alg` string, nullable
    - `kid` string, nullable
    - `over` string, nullable
    - `export_sha256` string, nullable
    - `message` string, nullable
    - `sig` string, nullable
    - `signed_at` string, nullable
    - `key` object, nullable
      - `kid` string, nullable
      - `jwk` object, nullable
        - `kty` string, nullable
        - `crv` string, nullable
        - `x` string, nullable
      - `published_in` string, nullable
    - `canonical` string, nullable

## Other responses

- `403`: no Evidence add-on, or the licence does not cover the domain

---

[API](https://skmtc.dev/crawlcheck/apis/crawlcheck-api.md) · [All operations](https://skmtc.dev/crawlcheck/apis/crawlcheck-api/llms.txt) · [OpenAPI document](https://skmtc.dev/crawlcheck/apis/crawlcheck-api/revisions/57acbd6d4489?raw)