> ## Documentation Index > Fetch the complete documentation index at: https://docs.moonbase.ai/llms.txt > Use this file to discover all available pages before exploring further. # Retrieve an Activity > Retrieves the details of an existing activity. ## OpenAPI ````yaml GET /activities/{id} openapi: 3.1.0 info: title: Moonbase REST API version: v0 servers: - url: https://api.moonbase.ai/v0 security: - bearer: [] tags: - name: Inboxes description: Manage your inboxes, conversations, and messages - name: Collections description: Manage your collections and items - name: Marketing description: Manage your marketing campaigns and forms - name: Activities description: View activities and capture calls - name: Library description: Manage your meetings, files, and notes paths: /activities/{id}: get: tags: - Activities summary: Retrieve an activity description: Retrieves the details of an existing activity. parameters: - name: id in: path required: true schema: type: string description: The ID of the Activity to retrieve. explode: true responses: '200': description: Successful response. content: application/json: schema: $ref: '#/components/schemas/Activity' examples: Find an activity by its ID: summary: Find an activity by its ID value: id: 1CLJt2vAY2dWSPDQt8AQpz type: activity/inbox_message_sent occurred_at: '2025-02-10T16:00:00.000Z' constituents: - type: constituent relation: actor entity: id: 1CLJt2v5aNd8G5SGzEaeVU type: item collection: id: 1CLJt2ubZ7zAZFBxUxeBHo type: collection ref: people - type: constituent relation: object entity: id: 1CLJt2v93jRnz6HGiMgt8L type: message '400': description: '' content: application/json: schema: $ref: '#/components/schemas/Errors' examples: Default: summary: Default value: type: errors errors: - type: error status: '400' title: Bad Request detail: >- The request could not be understood due to malformed syntax or invalid parameters. '401': description: Unauthorized content: application/json: schema: $ref: '#/components/schemas/Errors' examples: Default: summary: Default value: type: errors errors: - type: error status: '401' title: Unauthorized detail: >- Invalid or missing API key or JWT. You should provide your Moonbase API Key or JWT in the authorization header, in the format: "Authorization: Bearer MOONBASE_API_KEY" '403': description: Forbidden content: application/json: schema: $ref: '#/components/schemas/Errors' examples: Default: summary: Default value: type: errors errors: - type: error status: '403' title: Forbidden '404': description: '' content: application/json: schema: $ref: '#/components/schemas/Errors' examples: Activity not found: summary: Activity not found value: type: errors errors: - type: error status: '404' title: Not Found '429': description: Too Many Requests content: application/json: schema: $ref: '#/components/schemas/Errors' examples: Default: summary: Default value: type: errors errors: - type: error status: '429' title: Too Many Requests '500': description: Internal Server Error content: application/json: schema: $ref: '#/components/schemas/Errors' examples: Default: summary: Default value: type: errors errors: - type: error status: '500' title: Internal Server Error '503': description: Service Unavailable content: application/json: schema: $ref: '#/components/schemas/Errors' examples: Default: summary: Default value: type: errors errors: - type: error status: '503' title: Service Unavailable detail: >- The service is temporarily unavailable, please try again later. x-codeSamples: - lang: JavaScript source: |- import Moonbase from '@moonbaseai/sdk'; const client = new Moonbase({ apiKey: process.env['MOONBASE_API_KEY'], // This is the default and can be omitted }); const activity = await client.activities.retrieve('id'); console.log(activity.id); - lang: Python source: |- import os from moonbase import Moonbase client = Moonbase( api_key=os.environ.get("MOONBASE_API_KEY"), # This is the default and can be omitted ) activity = client.activities.retrieve( "id", ) print(activity.id) - lang: Go source: "package main\n\nimport (\n\t\"context\"\n\t\"fmt\"\n\n\t\"github.com/moonbaseai/moonbase-sdk-go\"\n\t\"github.com/moonbaseai/moonbase-sdk-go/option\"\n)\n\nfunc main() {\n\tclient := moonbase.NewClient(\n\t\toption.WithAPIKey(\"My API Key\"),\n\t)\n\tactivity, err := client.Activities.Get(context.TODO(), \"id\")\n\tif err != nil {\n\t\tpanic(err.Error())\n\t}\n\tfmt.Printf(\"%+v\\n\", activity.ID)\n}\n" - lang: Ruby source: |- require "moonbase" moonbase = Moonbase::Client.new(api_key: "My API Key") activity = moonbase.activities.retrieve("id") puts(activity) components: schemas: Activity: title: Activity description: >- The Activity object represents a specific event that has occurred, such as a meeting being scheduled or a form being submitted. type: object properties: id: description: Unique identifier for the object. type: string type: description: The type of activity. type: string enum: - activity/call_occurred - activity/file_created - activity/form_submitted - activity/inbox_message_sent - activity/item_created - activity/item_mentioned - activity/item_merged - activity/meeting_held - activity/meeting_scheduled - activity/note_created - activity/program_message_bounced - activity/program_message_clicked - activity/program_message_complained - activity/program_message_failed - activity/program_message_opened - activity/program_message_sent - activity/program_message_shielded - activity/program_message_unsubscribed occurred_at: description: >- The time at which the event occurred, as an ISO 8601 timestamp in UTC. type: string format: date-time constituents: description: >- An array of entities involved along with each entity's relation to the activity. type: array items: $ref: '#/components/schemas/Constituent' required: - occurred_at - id - type - constituents Errors: title: Errors description: >- The Errors object is a container that holds multiple Error objects when an API request encounters several validation or processing issues. This allows the API to return comprehensive feedback about all problems encountered in a single response. type: object properties: type: type: string const: errors errors: description: A list of `Error` objects. type: array items: $ref: '#/components/schemas/Error' required: - type Constituent: title: Constituent description: >- The Constituent object represents information about something that was involved in a particular activity. type: object properties: type: type: string const: constituent relation: type: string enum: - actor - object - target entity: $ref: '#/components/schemas/ConstituentEntityPointer' required: - entity - type - relation Error: title: Error description: >- The Error object represents a single error that occurred during API request processing. It provides detailed information about what went wrong, including a unique identifier, status code, and human-readable descriptions to help developers understand and resolve the issue. type: object properties: type: type: string const: error id: description: A unique identifier for this specific error instance. type: string status: description: The HTTP status code for this problem, as a string. type: string code: description: An application-specific error code string. type: string title: description: A short, human-readable summary of the problem. type: string detail: description: A human-readable explanation of this specific error. type: string source: $ref: '#/components/schemas/ErrorSource' description: >- An object containing more specific information about the part of the request that caused the error. meta: type: object additionalProperties: true required: - type ConstituentEntityPointer: title: ConstituentEntityPointer description: >- A lightweight reference to the entity of `Constituent`, containing information about what type of entity it is as well as the entity's id. oneOf: - $ref: '#/components/schemas/CallPointer' - $ref: '#/components/schemas/CollectionPointer' - $ref: '#/components/schemas/ItemPointer' - $ref: '#/components/schemas/FilePointer' - $ref: '#/components/schemas/MeetingPointer' - $ref: '#/components/schemas/MessagePointer' - $ref: '#/components/schemas/NotePointer' - $ref: '#/components/schemas/ProgramPointer' - $ref: '#/components/schemas/ProgramMessagePointer' - $ref: '#/components/schemas/ProgramTemplatePointer' - $ref: '#/components/schemas/UnsubscribePointer' discriminator: propertyName: type mapping: call: $ref: '#/components/schemas/CallPointer' collection: $ref: '#/components/schemas/CollectionPointer' item: $ref: '#/components/schemas/ItemPointer' file: $ref: '#/components/schemas/FilePointer' meeting: $ref: '#/components/schemas/MeetingPointer' message: $ref: '#/components/schemas/MessagePointer' note: $ref: '#/components/schemas/NotePointer' program: $ref: '#/components/schemas/ProgramPointer' program_message: $ref: '#/components/schemas/ProgramMessagePointer' program_template: $ref: '#/components/schemas/ProgramTemplatePointer' unsubscribe: $ref: '#/components/schemas/UnsubscribePointer' ErrorSource: title: ErrorSource description: >- The ErrorSource object provides additional context about the specific part of an API request that caused an error. It can point to either a field in the request document or a query parameter that contains invalid data. type: object properties: pointer: description: >- A JSON Pointer [RFC6901] to the associated entity in the request document. type: string parameter: description: A string indicating which URI query parameter caused the error. type: string required: [] CallPointer: title: CallPointer type: object properties: type: type: string const: call id: type: string required: - type - id CollectionPointer: title: CollectionPointer description: >- A lightweight reference to a `Collection`, containing the minimal information needed to identify it. type: object properties: type: description: >- String representing the object’s type. Always `collection` for this object. type: string const: collection id: description: Unique identifier of the collection. type: string ref: description: The stable, machine-readable reference identifier of the collection. type: string required: - type - id - ref ItemPointer: title: ItemPointer description: >- A reference to an `Item` within a specific `Collection`, providing the context needed to locate the item. type: object properties: type: description: >- String representing the object’s type. Always `item` for this object. type: string const: item id: description: Unique identifier of the item. type: string collection: $ref: '#/components/schemas/CollectionPointer' description: A reference to the `Collection` containing this item. required: - collection - type - id FilePointer: title: FilePointer type: object properties: type: type: string const: file id: type: string required: - type - id MeetingPointer: title: MeetingPointer type: object properties: type: type: string const: meeting id: type: string required: - type - id MessagePointer: title: MessagePointer type: object properties: type: type: string const: message id: type: string required: - type - id NotePointer: title: NotePointer type: object properties: type: type: string const: note id: type: string required: - type - id ProgramPointer: title: ProgramPointer type: object properties: type: type: string const: program id: type: string required: - type - id ProgramMessagePointer: title: ProgramMessagePointer type: object properties: type: type: string const: program_message id: type: string required: - type - id ProgramTemplatePointer: title: ProgramTemplatePointer type: object properties: type: type: string const: program_template id: type: string required: - type - id UnsubscribePointer: title: UnsubscribePointer type: object properties: type: type: string const: unsubscribe id: type: string required: - type - id securitySchemes: bearer: type: http scheme: bearer description: Your Moonbase API key. ````