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OpenAPI Specification

openapi: 3.2.0
info:
  title: KurrentDB HTTP Gossip API
  version: v26.1
  summary: AtomPub-over-HTTP interface to KurrentDB streams, subscriptions, projections, users and node administration.
  description: KurrentDB (formerly EventStoreDB) exposes a native AtomPub-over-HTTP interface alongside its primary gRPC protocol.
  contact:
    name: Kurrent
    url: https://www.kurrent.io/
  license:
    name: Kurrent License
    url: https://www.kurrent.io/terms-of-use
  x-apievangelist-provenance:
    generated: '2026-07-19'
    method: generated
    source: https://docs.kurrent.io/server/v26.1/http-api/api.html
    note: Faithful transcription of the provider's published HTTP API reference table. Operation summaries mirror the reference; request/response schemas are intentionally left open where the provider does not publish them.
servers:
- url: https://{host}:{port}
  description: Your KurrentDB node or Kurrent Cloud cluster
  variables:
    host:
      default: localhost
      description: Hostname of the KurrentDB node (the same host you use for the admin UI)
    port:
      default: '2113'
      description: KurrentDB HTTP port
security:
- basicAuth: []
tags:
- name: Gossip
  description: Cluster gossip
paths:
  /gossip:
    get:
      tags:
      - Gossip
      operationId: getGossip
      summary: Get the gossip details of the cluster
      responses:
        '200':
          $ref: '#/components/responses/JsonOk'
        '404':
          $ref: '#/components/responses/NotFound'
    post:
      tags:
      - Gossip
      operationId: updateGossip
      summary: Update the gossip details of the cluster
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
      responses:
        '200':
          $ref: '#/components/responses/JsonOk'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  responses:
    JsonOk:
      description: OK
      content:
        application/json:
          schema:
            type: object
    NotFound:
      description: Not Found — the stream, event, projection, subscription or user does not exist
      content:
        text/plain:
          schema:
            type: string
  securitySchemes:
    basicAuth:
      type: http
      scheme: basic
      description: KurrentDB supports HTTP Basic authentication for the HTTP API, with access control lists (ACLs) applied per stream. See https://docs.kurrent.io/server/v26.1/http-api/security.html
externalDocs:
  description: KurrentDB HTTP API documentation
  url: https://docs.kurrent.io/server/v26.1/http-api/introduction.html