Omnisend

Omnisend Statistics API

The Statistics API from Omnisend — 1 operation(s) for statistics.

GitHub OpenAPI

Operations 1

Each operation below carries the questions people ask an LLM about it and the instructions they give an agent to run it. Generated by API Evangelist overlay

POST /analytics/statistics Get marketing statistics by event date · Generate report #
Ask an LLM
“Can I see opens, clicks and orders grouped by the date they actually happened?”
“How has my subscriber audience grown over time?”
Tell an agent
Run event-date statistics queries {queries}.
Get audience growth and engagement statistics by event date using queries {queries}.

Documentation

📖
Documentation
https://api-docs.omnisend.com/
📖
APIReference
https://api-docs.omnisend.com/reference/overview
📖
Authentication
https://api-docs.omnisend.com/reference/authentication

Specifications

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

Schemas & Data

📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/omnisend/refs/heads/main/json-schema/omnisend-contact-schema.json
📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/omnisend/refs/heads/main/json-schema/omnisend-event-schema.json

Other Resources

🔗
OAuth
https://api-docs.omnisend.com/reference/oauth
🔗
Postman
https://www.postman.com/omnisend-api/workspace/omnisend/overview
🔗
LlmsText
https://api-docs.omnisend.com/llms.txt
🔗
JSONLD
https://raw.githubusercontent.com/api-evangelist/omnisend/refs/heads/main/json-ld/omnisend-context.jsonld

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OpenAPI Specification

omnisend-statistics-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  contact: {}
  title: Analytics Statistics API
  version: '5.0'
servers:
- url: https://api.omnisend.com/api
tags:
- name: Statistics
paths:
  /analytics/statistics:
    post:
      description: 'Returns aggregated marketing analytics grouped by event date (when opens, clicks, orders actually occurred). Covers delivery, engagement, revenue attribution, and audience growth metrics. Requires a timestamp dimension. Supports a rich set of dimensions (client, click, subscription, deliverability) and up to 4 queries per request.


        **Scopes:**

        `analytics.read`


        **Rate Limiting:**

        This endpoint is rate limited to 10 requests per minute and 55 requests per 24 hours.

        Rate limits apply per brand. See Rate limits.'
      parameters:
      - $ref: '#/components/parameters/APIVersionHeader'
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/statistics.ReportRequest'
        description: Report query (queries with metrics, dimensions, date range)
        required: true
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/statistics.ReportResponse'
        '400':
          description: Validation error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ValidationProblem'
        '403':
          description: Forbidden
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Problem'
        '415':
          description: Unsupported media type
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Problem'
        '429':
          description: Too many requests
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Problem'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Problem'
        '503':
          description: Service temporarily unavailable
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Problem'
        '524':
          description: Timeout
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Problem'
      security:
      - Bearer:
        - analytics.read
      - ApiKeyAuth: []
      summary: Generate report
      tags:
      - Statistics
      operationId: postAnalyticsStatistics
      x-operation-id-source: derived
components:
  schemas:
    analytics.MetricHeader:
      properties:
        name:
          type: string
      type: object
    analytics.ReportResultRow:
      additionalProperties: {}
      type: object
    analytics.Filter:
      properties:
        name:
          type: string
        operator:
          type: string
        values:
          items:
            type: string
          type: array
      type: object
    statistics.DateRange:
      properties:
        from:
          description: RFC3339/ISO8601 format
          type: string
        to:
          description: RFC3339/ISO8601 format
          type: string
      type: object
    analytics.Dimension:
      properties:
        granularity:
          type: string
        name:
          type: string
      type: object
    Problem:
      description: Standard error response returned by all API endpoints on failure.
      properties:
        detail:
          description: Human-readable explanation of this specific error occurrence
          example: A human-readable explanation of the error.
          type: string
        instance:
          description: Request trace identifier for support and debugging
          example: urn:omnisend:request:00000000-0000-0000-0000-000000000001
          type: string
        status:
          description: HTTP status code
          example: 0
          type: integer
        title:
          description: Short description of the error type
          example: Problem
          type: string
        type:
          description: URI that identifies the error type
          example: https://problems.omnisend.com/problem
          type: string
      type: object
    statistics.ReportResponse:
      properties:
        statistics:
          items:
            $ref: '#/components/schemas/statistics.ReportResult'
          type: array
      type: object
    statistics.ReportResult:
      properties:
        alias:
          type: string
        dimensions:
          items:
            $ref: '#/components/schemas/analytics.DimensionHeader'
          type: array
        metrics:
          items:
            $ref: '#/components/schemas/analytics.MetricHeader'
          type: array
        rows:
          items:
            $ref: '#/components/schemas/analytics.ReportResultRow'
          type: array
      type: object
    ValidationProblem:
      description: Error response returned when the request contains invalid input. The errors array lists every field that failed validation.
      properties:
        detail:
          description: Human-readable explanation of this specific error occurrence
          example: A human-readable explanation of the error.
          type: string
        errors:
          description: List of fields that failed validation
          items:
            $ref: '#/components/schemas/FieldError'
          type: array
        instance:
          description: Request trace identifier for support and debugging
          example: urn:omnisend:request:00000000-0000-0000-0000-000000000001
          type: string
        status:
          description: HTTP status code
          example: 0
          type: integer
        title:
          description: Short description of the error type
          example: Problem
          type: string
        type:
          description: URI that identifies the error type
          example: https://problems.omnisend.com/problem
          type: string
      type: object
    analytics.DimensionHeader:
      properties:
        granularity:
          type: string
        name:
          type: string
      type: object
    analytics.Metric:
      properties:
        name:
          type: string
      type: object
    statistics.ReportRequest:
      properties:
        queries:
          items:
            $ref: '#/components/schemas/statistics.ReportQuery'
          type: array
      type: object
    statistics.ReportQuery:
      properties:
        alias:
          type: string
        dateRange:
          $ref: '#/components/schemas/statistics.DateRange'
        dimensions:
          items:
            $ref: '#/components/schemas/analytics.Dimension'
          type: array
        filters:
          items:
            $ref: '#/components/schemas/analytics.Filter'
          type: array
        metrics:
          items:
            $ref: '#/components/schemas/analytics.Metric'
          type: array
      type: object
    FieldError:
      description: A single field validation failure within a validation error response.
      properties:
        code:
          description: Error code indicating the type of failure
          example: invalid_format
          type: string
        field:
          description: Dot-separated path to the field that failed validation
          example: content.email.subject
          type: string
        message:
          description: Human-readable explanation of what is wrong with the field value
          example: Must be a valid email address
          type: string
      type: object
  parameters:
    APIVersionHeader:
      description: API version that specifies the response format and behaviour
      in: header
      name: Omnisend-Version
      required: true
      schema:
        type: string
        default: '2026-03-15'
  securitySchemes:
    ApiKeyAuth:
      description: 'API key authentication. Use format: Omnisend-API-Key {api-key}'
      in: header
      name: Authorization
      type: apiKey
    Bearer:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: https://app.omnisend.com/oauth2/token
          scopes: {}