HashiCorp Consul

HashiCorp Consul Transaction API

Atomic key/value transactions

GitHub OpenAPI

Operations 1

PUT /txn Execute a transaction #

Documentation

📖
Documentation
https://developer.hashicorp.com/consul/api-docs
📖
Authentication
https://developer.hashicorp.com/consul/api-docs/api-structure

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/consul/refs/heads/main/openapi/consul-transaction-api-openapi.yml

SDKs

📦
GitHubRepository
https://github.com/hashicorp/consul

Other Resources

🔗
ACL Documentation
https://developer.hashicorp.com/consul/docs/security/acl

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OpenAPI Specification

consul-transaction-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: HashiCorp Consul HTTP ACL Transaction API
  description: The Consul HTTP API provides full access to Consul functionality including service discovery, health checking, key/value storage, ACL management, Connect service mesh, configuration entries, and multi-datacenter operations.
  version: 1.18.0
  contact:
    name: HashiCorp
    url: https://www.consul.io/
  license:
    name: Business Source License 1.1
    url: https://github.com/hashicorp/consul/blob/main/LICENSE
servers:
- url: http://localhost:8500/v1
  description: Local Consul agent
- url: https://{consul_host}:{port}/v1
  description: Custom Consul server
  variables:
    consul_host:
      default: localhost
    port:
      default: '8500'
security:
- ConsulToken: []
tags:
- name: Transaction
  description: Atomic key/value transactions
paths:
  /txn:
    put:
      operationId: executeTxn
      summary: Execute a transaction
      description: Manages updates or fetches of multiple keys inside a single, atomic transaction.
      tags:
      - Transaction
      parameters:
      - $ref: '#/components/parameters/dc'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: array
              items:
                type: object
                properties:
                  KV:
                    type: object
                    properties:
                      Verb:
                        type: string
                        enum:
                        - set
                        - get
                        - delete
                        - cas
                        - lock
                        - unlock
                        - check-session
                        - check-index
                        - check-not-exists
                      Key:
                        type: string
                      Value:
                        type: string
                      Flags:
                        type: integer
                      Index:
                        type: integer
                      Session:
                        type: string
      responses:
        '200':
          description: Transaction results
          content:
            application/json:
              schema:
                type: object
                properties:
                  Results:
                    type: array
                    items:
                      type: object
                  Errors:
                    type: array
                    items:
                      type: object
                      properties:
                        OpIndex:
                          type: integer
                        What:
                          type: string
components:
  parameters:
    dc:
      name: dc
      in: query
      description: Datacenter to query (defaults to agent's datacenter)
      schema:
        type: string
  securitySchemes:
    ConsulToken:
      type: apiKey
      name: X-Consul-Token
      in: header
      description: ACL token for authentication