Arthur Online

Arthur Online Conversations API

The Conversations API from Arthur Online — 11 operation(s) for conversations.

GitHub OpenAPI

Operations 15

GET /applicants/{applicant_id}/conversation_recipients Get Recipients for Applicant #
GET /applicants/{applicant_id}/conversations List Conversations On Applicant #
POST /applicants/{applicant_id}/conversations Create Conversation On Applicant #
GET /conversations/{conversation_id} List Conversations #
GET /properties/{property_id}/conversation_recipients Get Recipients for Property #
GET /properties/{property_id}/conversations List Conversations On Property #
POST /properties/{property_id}/conversations Create Conversation On Property #
GET /tenancies/{tenancy_id}/conversation_recipients Get Recipients for Tenancy #
GET /tenancies/{tenancy_id}/conversations List Conversation On Tenancy #
POST /viewings/{viewing_id}/conversations Create Conversation On Tenancy #
GET /viewings/{viewing_id}/conversations List Conversations On Viewing #
GET /units/{unit_id}/conversation_recipients Get Recipients for Unit #
GET /units/{unit_id}/conversations List Conversation On Unit #
POST /units/{unit_id}/conversations Create Conversation On Unit #
GET /viewings/{viewing_id}/conversation_recipients Get Recipients for Viewing #

Documentation

📖
Documentation
https://developer.arthuronline.co.uk/
📖
APIReference
https://developer.arthuronline.co.uk/
📖
Authentication
https://raw.githubusercontent.com/api-evangelist/arthur-online/refs/heads/main/authentication/arthur-online-authentication.yml

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/arthur-online/refs/heads/main/openapi/arthur-online-conversations-api-openapi.yml
⚙
AsyncAPI
https://raw.githubusercontent.com/api-evangelist/arthur-online/refs/heads/main/asyncapi/arthur-online-webhooks-asyncapi.yml

Other Resources

🔗
PostmanCollection
https://raw.githubusercontent.com/api-evangelist/arthur-online/refs/heads/main/collections/arthur-online.postman_collection.json
🔗
Webhooks
https://raw.githubusercontent.com/api-evangelist/arthur-online/refs/heads/main/asyncapi/arthur-online-webhooks.yml

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API 
curl "https://apis.io/api/v1/apis/arthur-online-conversations-api"
All apis 
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

arthur-online-conversations-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Arthur Online Conversations API
  version: 2.0.0
  contact:
    name: Arthur Online API Support
    url: https://support.arthuronline.co.uk/
  termsOfService: https://www.arthuronline.co.uk/terms-and-conditions/
  x-derived-by: API Evangelist enrichment pipeline
  x-derived-date: '2026-07-26'
  x-derived-from: collections/arthur-online.postman_collection.json
  description: 'Operations tagged Conversations across 6 of this provider''s published API definitions: arthur-online-applicants-openapi.yml, arthur-online-conversations-openapi.yml, arthur-online-properties-openapi.yml, arthur-online-tenancies-openapi.yml, arthur-online-units-openapi.yml, arthur-online-viewings-openapi.yml. Each path carries the servers of the definition it was published in.'
servers:
- url: https://api.arthuronline.co.uk/v2
  description: Arthur API v2 production
security:
- arthurOAuth: []
tags:
- name: Conversations
paths:
  /applicants/{applicant_id}/conversation_recipients:
    get:
      operationId: getRecipientsForApplicant
      summary: Get Recipients for Applicant
      tags:
      - Conversations
      parameters:
      - name: applicant_id
        in: path
        required: true
        description: Arthur applicant id.
        schema:
          type: integer
      - $ref: '#/components/parameters/EntityId'
      description: This endpoint retrieves a list of conversation recipients associated with the given applicant ID.
      responses:
        '200':
          description: The request was completed successfully without errors.
          content:
            application/json:
              schema:
                type: object
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    servers:
    - url: https://api.arthuronline.co.uk/v2
      description: Arthur API v2 production
  /applicants/{applicant_id}/conversations:
    get:
      operationId: listConversationsOnApplicant
      summary: List Conversations On Applicant
      tags:
      - Conversations
      parameters:
      - name: applicant_id
        in: path
        required: true
        description: Arthur applicant id.
        schema:
          type: integer
      - $ref: '#/components/parameters/EntityId'
      - $ref: '#/components/parameters/Page'
      - $ref: '#/components/parameters/Limit'
      - $ref: '#/components/parameters/Sort'
      - $ref: '#/components/parameters/Direction'
      description: This endpoint retrieves a list of conversations associated with the given applicant ID.
      responses:
        '200':
          description: The request was completed successfully without errors.
          content:
            application/json:
              schema:
                type: object
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    post:
      operationId: createConversationOnApplicant
      summary: Create Conversation On Applicant
      tags:
      - Conversations
      parameters:
      - name: applicant_id
        in: path
        required: true
        description: Arthur applicant id.
        schema:
          type: integer
      - $ref: '#/components/parameters/EntityId'
      - $ref: '#/components/parameters/Strict'
      description: "Use this endpoint to create a new conversation related to a  applicant . The API will return the saved data.\n\nSupported Fields \n The following fields are supported for the request body\n\nField \n Example \n Type \n Required? \n\nmessage \n It's done \n String \n Yes \n\nsubject \n Meeting tomorrow \n String \n Yes \n\nperson_ids \n ['1','2'] \n Array(String) \n Yes"
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                message:
                  type: string
                  example: It's done
                subject:
                  type: string
                  example: Meeting tomorrow
                person_ids:
                  type: array
                  items:
                    type: string
                  example: '[''1'',''2'']'
              required:
              - message
              - subject
              - person_ids
            example:
              message: Please clean the house on friday.
              subject: House duties
              person_ids:
              - '21'
      responses:
        '200':
          description: The request was completed successfully without errors.
          content:
            application/json:
              schema:
                type: object
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    servers:
    - url: https://api.arthuronline.co.uk/v2
      description: Arthur API v2 production
  /conversations/{conversation_id}:
    get:
      operationId: listConversations
      summary: List Conversations
      tags:
      - Conversations
      parameters:
      - name: conversation_id
        in: path
        required: true
        description: Arthur conversation id.
        schema:
          type: integer
      - $ref: '#/components/parameters/EntityId'
      - $ref: '#/components/parameters/Page'
      - $ref: '#/components/parameters/Limit'
      - $ref: '#/components/parameters/Sort'
      - $ref: '#/components/parameters/Direction'
      description: This endpoint retrieves a list of conversations.
      responses:
        '200':
          description: The request was completed successfully without errors.
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: integer
                  data:
                    type: array
                    items:
                      type: object
                  pagination:
                    $ref: '#/components/schemas/Pagination'
              example:
                status: 200
                data:
                - id: 123
                  title: Subject 1
                  message_count: 1
                  model: ''
                  model_id: null
                  created_by:
                    id: 123
                    full_name: Ronnie Wilson
                  recipients:
                  - id: 123
                    full_name: Kevin Wilson
                  last_comment:
                    message: Sure!
                    created: '2020-04-22T12:03:28+01:00'
                    full_name: Ronnie Wilson
                  created: '2020-04-22T12:03:28+01:00'
                  modified: '2020-04-22T12:03:28+01:00'
                - id: 123
                  title: Subject 2
                  message_count: 1
                  model: Property
                  model_id: 1
                  created_by:
                    id: 123
                    full_name: Ronnie Wilson
                  recipients:
                  - id: 123
                    full_name: Kevin Wilson
                  last_comment:
                    message: Remember to clean on friday.
                    created: '2020-04-23T11:49:54+01:00'
                    full_name: Ronnie Wilson
                  created: '2020-04-23T11:49:54+01:00'
                  modified: '2020-04-30T11:49:54+01:00'
                pagination:
                  page: 1
                  current: 3
                  count: 2
                  pageCount: 1
                  limit: 20
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    servers:
    - url: https://api.arthuronline.co.uk/v2
      description: Arthur API v2 production
  /properties/{property_id}/conversation_recipients:
    get:
      operationId: getRecipientsForProperty
      summary: Get Recipients for Property
      tags:
      - Conversations
      parameters:
      - name: property_id
        in: path
        required: true
        description: Arthur property id.
        schema:
          type: integer
      - $ref: '#/components/parameters/EntityId'
      description: This endpoint retrieves a list of conversation recipients on a property record, identified by its unique property_id .
      responses:
        '200':
          description: The request was completed successfully without errors.
          content:
            application/json:
              schema:
                type: object
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    servers:
    - url: https://api.arthuronline.co.uk/v2
      description: Arthur API v2 production
  /properties/{property_id}/conversations:
    get:
      operationId: listConversationsOnProperty
      summary: List Conversations On Property
      tags:
      - Conversations
      parameters:
      - name: property_id
        in: path
        required: true
        description: Arthur property id.
        schema:
          type: integer
      - $ref: '#/components/parameters/EntityId'
      - $ref: '#/components/parameters/Page'
      - $ref: '#/components/parameters/Limit'
      - $ref: '#/components/parameters/Sort'
      - $ref: '#/components/parameters/Direction'
      description: This endpoint retrieves a list of conversations associated with the given property ID.
      responses:
        '200':
          description: The request was completed successfully without errors.
          content:
            application/json:
              schema:
                type: object
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    post:
      operationId: createConversationOnProperty
      summary: Create Conversation On Property
      tags:
      - Conversations
      parameters:
      - name: property_id
        in: path
        required: true
        description: Arthur property id.
        schema:
          type: integer
      - $ref: '#/components/parameters/EntityId'
      - $ref: '#/components/parameters/Strict'
      description: "Use this endpoint to create a new conversation related to a  property . The API will return the saved data.\n\nSupported Fields \n The following fields are supported for the request body\n\nField \n Example \n Type \n Required? \n\nmessage \n It's done \n String \n Yes \n\nsubject \n Meeting tomorrow \n String \n Yes \n\nperson_ids \n ['1','2'] \n Array(String) \n Yes"
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                message:
                  type: string
                  example: It's done
                subject:
                  type: string
                  example: Meeting tomorrow
                person_ids:
                  type: array
                  items:
                    type: string
                  example: '[''1'',''2'']'
              required:
              - message
              - subject
              - person_ids
            example:
              message: Please clean the house on friday.
              subject: House duties
              person_ids:
              - '21'
      responses:
        '200':
          description: The request was completed successfully without errors.
          content:
            application/json:
              schema:
                type: object
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    servers:
    - url: https://api.arthuronline.co.uk/v2
      description: Arthur API v2 production
  /tenancies/{tenancy_id}/conversation_recipients:
    get:
      operationId: getRecipientsForTenancy
      summary: Get Recipients for Tenancy
      tags:
      - Conversations
      parameters:
      - name: tenancy_id
        in: path
        required: true
        description: Arthur tenancy id.
        schema:
          type: integer
      - $ref: '#/components/parameters/EntityId'
      description: This endpoint retrieves a list of conversation recipients on a tenancy record, identified by its unique  tenancy_id .
      responses:
        '200':
          description: The request was completed successfully without errors.
          content:
            application/json:
              schema:
                type: object
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    servers:
    - url: https://api.arthuronline.co.uk/v2
      description: Arthur API v2 production
  /tenancies/{tenancy_id}/conversations:
    get:
      operationId: listConversationOnTenancy
      summary: List Conversation On Tenancy
      tags:
      - Conversations
      parameters:
      - name: tenancy_id
        in: path
        required: true
        description: Arthur tenancy id.
        schema:
          type: integer
      - $ref: '#/components/parameters/EntityId'
      - $ref: '#/components/parameters/Page'
      - $ref: '#/components/parameters/Limit'
      - $ref: '#/components/parameters/Sort'
      - $ref: '#/components/parameters/Direction'
      description: This endpoint retrieves a list of conversations on a tenancy, identified by its unique  tenancy_id .
      responses:
        '200':
          description: The request was completed successfully without errors.
          content:
            application/json:
              schema:
                type: object
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    servers:
    - url: https://api.arthuronline.co.uk/v2
      description: Arthur API v2 production
  /viewings/{viewing_id}/conversations:
    post:
      operationId: createConversationOnTenancy
      summary: Create Conversation On Tenancy
      tags:
      - Conversations
      parameters:
      - name: viewing_id
        in: path
        required: true
        description: Arthur viewing id.
        schema:
          type: integer
      - $ref: '#/components/parameters/EntityId'
      - $ref: '#/components/parameters/Strict'
      description: "Use this endpoint to create a new conversation on a tenancy record. The API will return the saved data and a unique Conversation ID.\n\nSupported Fields \n The following fields are supported for the request body\n\nField \n Example \n Type \n Required? \n\nmessage \n It's done \n String \n Yes \n\nsubject \n Meeting tomorrow \n String \n Yes \n\nperson_ids \n ['1','2'] \n Array(String) \n Yes"
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                message:
                  type: string
                  example: It's done
                subject:
                  type: string
                  example: Meeting tomorrow
                person_ids:
                  type: array
                  items:
                    type: string
                  example: '[''1'',''2'']'
              required:
              - message
              - subject
              - person_ids
            example:
              message: Please clean the house on friday.
              subject: House duties
              person_ids:
              - '21'
      responses:
        '200':
          description: The request was completed successfully without errors.
          content:
            application/json:
              schema:
                type: object
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    get:
      operationId: listConversationsOnViewing
      summary: List Conversations On Viewing
      tags:
      - Conversations
      parameters:
      - name: viewing_id
        in: path
        required: true
        description: Arthur viewing id.
        schema:
          type: integer
      - $ref: '#/components/parameters/EntityId'
      - $ref: '#/components/parameters/Page'
      - $ref: '#/components/parameters/Limit'
      - $ref: '#/components/parameters/Sort'
      - $ref: '#/components/parameters/Direction'
      description: This endpoint retrieves a list of conversations on a viewing, identified by its unique  viewing_id .
      responses:
        '200':
          description: The request was completed successfully without errors.
          content:
            application/json:
              schema:
                type: object
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    servers:
    - url: https://api.arthuronline.co.uk/v2
      description: Arthur API v2 production
  /units/{unit_id}/conversation_recipients:
    get:
      operationId: getRecipientsForUnit
      summary: Get Recipients for Unit
      tags:
      - Conversations
      parameters:
      - name: unit_id
        in: path
        required: true
        description: Arthur unit id.
        schema:
          type: integer
      - $ref: '#/components/parameters/EntityId'
      description: This endpoint retrieves a list of conversation recipients on a unit record, identified by its unique  unit_id .
      responses:
        '200':
          description: The request was completed successfully without errors.
          content:
            application/json:
              schema:
                type: object
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    servers:
    - url: https://api.arthuronline.co.uk/v2
      description: Arthur API v2 production
  /units/{unit_id}/conversations:
    get:
      operationId: listConversationOnUnit
      summary: List Conversation On Unit
      tags:
      - Conversations
      parameters:
      - name: unit_id
        in: path
        required: true
        description: Arthur unit id.
        schema:
          type: integer
      - $ref: '#/components/parameters/EntityId'
      - $ref: '#/components/parameters/Page'
      - $ref: '#/components/parameters/Limit'
      - $ref: '#/components/parameters/Sort'
      - $ref: '#/components/parameters/Direction'
      description: This endpoint retrieves a list of conversations associated with the given unit ID.
      responses:
        '200':
          description: The request was completed successfully without errors.
          content:
            application/json:
              schema:
                type: object
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    post:
      operationId: createConversationOnUnit
      summary: Create Conversation On Unit
      tags:
      - Conversations
      parameters:
      - name: unit_id
        in: path
        required: true
        description: Arthur unit id.
        schema:
          type: integer
      - $ref: '#/components/parameters/EntityId'
      - $ref: '#/components/parameters/Strict'
      description: "Use this endpoint to create a new conversation related to a unit . The API will return the saved data.\n\nSupported Fields \n The following fields are supported for the request body\n\nField \n Example \n Type \n Required? \n\nmessage \n It's done \n String \n Yes \n\nsubject \n Meeting tomorrow \n String \n Yes \n\nperson_ids \n ['1','2'] \n Array(String) \n Yes"
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                message:
                  type: string
                  example: It's done
                subject:
                  type: string
                  example: Meeting tomorrow
                person_ids:
                  type: array
                  items:
                    type: string
                  example: '[''1'',''2'']'
              required:
              - message
              - subject
              - person_ids
            example:
              message: Please clean the house on friday.
              subject: House duties
              person_ids:
              - '21'
      responses:
        '200':
          description: The request was completed successfully without errors.
          content:
            application/json:
              schema:
                type: object
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    servers:
    - url: https://api.arthuronline.co.uk/v2
      description: Arthur API v2 production
  /viewings/{viewing_id}/conversation_recipients:
    get:
      operationId: getRecipientsForViewing
      summary: Get Recipients for Viewing
      tags:
      - Conversations
      parameters:
      - name: viewing_id
        in: path
        required: true
        description: Arthur viewing id.
        schema:
          type: integer
      - $ref: '#/components/parameters/EntityId'
      description: This endpoint retrieves a list of conversation recipients on a viewing record, identified by its unique viewing_id .
      responses:
        '200':
          description: The request was completed successfully without errors.
          content:
            application/json:
              schema:
                type: object
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    servers:
    - url: https://api.arthuronline.co.uk/v2
      description: Arthur API v2 production
components:
  parameters:
    Direction:
      name: direction
      in: query
      required: false
      description: Sort direction.
      schema:
        type: string
        enum:
        - ASC
        - DESC
    Sort:
      name: sort
      in: query
      required: false
      description: Field to sort the collection by.
      schema:
        type: string
    Strict:
      name: strict
      in: query
      required: false
      description: When true, abort the request instead of auto-creating an unknown Simple type. POST and PUT only.
      schema:
        type: boolean
    EntityId:
      name: X-EntityID
      in: header
      required: true
      description: The Arthur entity (account) the request is scoped to. Mandatory on every API call.
      schema:
        type: string
    Page:
      name: page
      in: query
      required: false
      description: Page number, between 1 and the total number of pages.
      schema:
        type: integer
        minimum: 1
    Limit:
      name: limit
      in: query
      required: false
      description: Items per page, between 1 and 100.
      schema:
        type: integer
        minimum: 1
        maximum: 100
  responses:
    BadRequest:
      description: The request was invalid or malformed.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    NotFound:
      description: The request was sent to a location that does not exist in the API.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: Missing, invalid or expired access token.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            error: expired_token
            message: This token has expired.
  schemas:
    Error:
      type: object
      description: Arthur error envelope.
      properties:
        status:
          type: integer
        error:
          type: string
          description: Machine-readable error code, e.g. expired_token.
        message:
          type: string
    Pagination:
      type: object
      description: Pagination block returned on every list response.
      properties:
        page:
          type: integer
        current:
          type: integer
        count:
          type: integer
        pageCount:
          type: integer
        limit:
          type: integer
  securitySchemes:
    arthurOAuth:
      type: oauth2
      description: OAuth 2.0 Authorization Code flow. Access tokens are valid for 14 days; refresh tokens for 21 days. Register an application in Arthur Settings > OAuth Applications to obtain a client_id and client_secret.
      flows:
        authorizationCode:
          authorizationUrl: https://auth.arthuronline.co.uk/oauth/authorize
          tokenUrl: https://auth.arthuronline.co.uk/oauth/token
          refreshUrl: https://auth.arthuronline.co.uk/oauth/token
          scopes: {}
x-refined-from:
- arthur-online-applicants-openapi.yml
- arthur-online-conversations-openapi.yml
- arthur-online-properties-openapi.yml
- arthur-online-tenancies-openapi.yml
- arthur-online-units-openapi.yml
- arthur-online-viewings-openapi.yml