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OpenAPI Specification

openapi: 3.2.0
info:
  title: QuickNode Key-Value Store REST Keys API
  description: The QuickNode Key-Value Store REST API provides a managed, large-scale key-value storage service accessible over HTTP. Developers can create namespaces (databases), write and read keys, batch-load data, and delete keys, making it suitable for storing onchain-related metadata, indexer state, and application configuration alongside QuickNode's blockchain infrastructure. Authentication uses an API key issued from the QuickNode dashboard.
  version: 1.0.0
  contact:
    name: QuickNode Support
    url: https://www.quicknode.com/support
  termsOfService: https://www.quicknode.com/terms-of-service
servers:
- url: https://api.quicknode.com/kv/rest/v1
  description: QuickNode Key-Value Store REST production server
security:
- ApiKeyAuth: []
tags:
- name: Keys
  description: Read, write, and delete keys within a database.
paths:
  /databases/{database}/keys/{key}:
    get:
      tags:
      - Keys
      summary: Get a value by key
      operationId: getKey
      parameters:
      - name: database
        in: path
        required: true
        schema:
          type: string
      - name: key
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Successful response
    put:
      tags:
      - Keys
      summary: Set a value for a key
      operationId: setKey
      parameters:
      - name: database
        in: path
        required: true
        schema:
          type: string
      - name: key
        in: path
        required: true
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                value:
                  type: string
      responses:
        '200':
          description: Key set
    delete:
      tags:
      - Keys
      summary: Delete a key
      operationId: deleteKey
      parameters:
      - name: database
        in: path
        required: true
        schema:
          type: string
      - name: key
        in: path
        required: true
        schema:
          type: string
      responses:
        '204':
          description: Key deleted
components:
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: x-api-key
externalDocs:
  description: QuickNode Key-Value Store Documentation
  url: https://www.quicknode.com/docs/key-value-store