---
title: "ARD search"
method: POST
path: "/well-known/ard/search"
tags: ["AiCatalog"]
---

# ARD search

`POST /well-known/ard/search`

## Request

- The document declares no server URL.
- Auth: none declared

## Request body

- ArdSearchRequest: Request body for the ARD POST /search endpoint.
  - `query` ArdSearchQuery, required: ARD search query.
    - `text` string
    - `filter` ArdFilter: ARD search filter map; keys are filter names (type, tags, capabilities, publisher) and values are the list of accepted values for that filter (OR semantics within a key, AND semantics across keys).
  - `federation` string
  - `pageSize` integer
  - `pageToken` string

## Response `200`

ARD search results.

- ArdSearchResponse: Response body for the ARD POST /search endpoint.
  - `results` ArdSearchResultEntry[], required
    - `identifier` string, required
    - `displayName` string
    - `type` string, required
    - `url` string
    - `description` string
    - `tags` string[]
    - `capabilities` string[]
    - `version` string
    - `updatedAt` string
    - `score` integer
    - `source` string
  - `pageToken` string

## Other responses

- `400`: Common response for all operations that can return a `400` error.
- `401`: Common response for all operations that can return a `401` error indicating authentication is required.
- `403`: Common response for all operations that can return a `403` error indicating the user is authenticated but not authorized.
- `500`: Common response for all operations that can fail with an unexpected server error.

## Changes

- **2026-10-31** `ff9684af2aad`: 20 info
  - added the optional property `ruleViolation/causes/items/code` to the response with the `400` status
  - added the optional property `ruleViolation/causes/items/code` to the response with the `401` status
  - added the optional property `ruleViolation/causes/items/code` to the response with the `403` status
  - added the optional property `ruleViolation/causes/items/code` to the response with the `500` status
  - …16 more
- **2026-10-29** `f17f5df4e79c`: 4 info
  - added the optional property `ruleViolation` to the response with the `400` status
  - added the optional property `ruleViolation` to the response with the `401` status
  - added the optional property `ruleViolation` to the response with the `403` status
  - added the optional property `ruleViolation` to the response with the `500` status
- **2026-09-02** `8f0803bf1d83`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/apicurio/apis/apicurio-registry-api-v3/changes/well-known/ard/search/post.md)

---

[API](https://skmtc.dev/apicurio/apis/apicurio-registry-api-v3.md) - [All operations](https://skmtc.dev/apicurio/apis/apicurio-registry-api-v3/llms.txt) - [OpenAPI document](https://skmtc.dev/apicurio/apis/apicurio-registry-api-v3/revisions/ff9684af2aad?raw)