> ## Documentation Index > Fetch the complete documentation index at: https://docs.fermion.app/llms.txt > Use this file to discover all available pages before exploring further. # Get sales data with filtering > Get sales data with revenue breakdown, filtered by month/week. This is a public API that requires a fermion API key. Authentication with the "FERMION-API-KEY" header is required to use this endpoint. Rate limit: Maximum 30 requests in a window of 1m. ## OpenAPI ````yaml https://backend.codedamn.com/webhook/fermion-backend-openapi.yaml post /public/get-sales-data openapi: 3.0.0 info: version: 1.0.0 title: Fermion Backend API description: Documentation for interacting with the Fermion API contact: name: Fermion Support email: support@codedamn.com servers: - url: https://backend.codedamn.com/api description: Fermion primary backend server security: [] externalDocs: description: Fermion Docs url: https://docs.fermion.app paths: /public/get-sales-data: post: tags: - Analytics summary: 'Get sales data with filtering ' description: >- Get sales data with revenue breakdown, filtered by month/week. This is a public API that requires a fermion API key. Authentication with the "FERMION-API-KEY" header is required to use this endpoint. Rate limit: Maximum 30 requests in a window of 1m. requestBody: description: API Request Body required: true content: application/json: schema: type: object properties: data: type: array items: type: object properties: data: type: object properties: from: type: string description: >- Start date - accepts formats like "2024-01-01", "Jan 1 2024", "1/1/2024", "January 1, 2024", "01-Jan-2024" to: type: string description: >- End date - accepts formats like "2024-12-31", "Dec 31 2024", "12/31/2024", "December 31, 2024", "31-Dec-2024" groupBy: type: string enum: - week - month description: Group revenue data by week or month timezone: anyOf: - type: string - nullable: true - nullable: true description: >- Timezone for date calculations (e.g., "America/New_York") shouldIncludeBreakdown: type: boolean default: true description: >- Include detailed breakdown of revenue by product type productTypeFilter: anyOf: - type: array items: type: string enum: - FermionDigitalProduct - Course - LearningPath - Pro minItems: 1 - nullable: true - nullable: true description: >- Filter sales by specific product types (must not be empty if provided) paymentStatusFilter: anyOf: - type: array items: type: string enum: - Valid - Refunded minItems: 1 - nullable: true - nullable: true description: >- Filter sales by payment status (must not be empty if provided) required: - from - to - groupBy required: - data required: - data responses: '200': description: API Response Body content: application/json: schema: type: array items: type: object properties: output: anyOf: - type: object properties: status: type: string enum: - ok data: type: object properties: summary: type: object properties: totalRevenueInrPaise: type: number description: >- Total revenue for the period in INR paise totalSalesCount: type: number description: Total number of sales for the period averageSaleValueInrPaise: type: number description: Average sale value in INR paise periodStart: type: string format: date-time description: Start of the reporting period periodEnd: type: string format: date-time description: End of the reporting period required: - totalRevenueInrPaise - totalSalesCount - averageSaleValueInrPaise - periodStart - periodEnd revenueByPeriod: type: array items: type: object properties: period: type: string description: >- Period label (e.g., "1st Jan 2024", "Week 1 2024", "Jan 2024") startDate: type: string format: date-time description: Start date of this period endDate: type: string format: date-time description: End date of this period totalRevenuePaise: type: number description: Total revenue for this period in paise salesCount: type: number description: Number of sales in this period breakdown: anyOf: - type: array items: type: object properties: productType: type: string enum: - Course - LearningPath - Pro - FermionDigitalProduct - FermionLedgerInvoicePayment - FermionSchoolPlanCycleInvoice - FermionCourse description: Type of product revenuePaise: type: number description: Revenue from this product type in paise salesCount: type: number description: Number of sales for this product type required: - productType - revenuePaise - salesCount - nullable: true - nullable: true description: >- Revenue breakdown by product type (if includeBreakdown is true) required: - period - startDate - endDate - totalRevenuePaise - salesCount description: Revenue data grouped by the specified period topProducts: type: array items: type: object properties: productId: type: string description: Unique identifier of the product productName: type: string description: Name of the product productType: type: string enum: - Course - LearningPath - Pro - FermionDigitalProduct - FermionLedgerInvoicePayment - FermionSchoolPlanCycleInvoice - FermionCourse description: Type of product totalRevenuePaise: type: number description: Total revenue from this product in paise salesCount: type: number description: Number of sales for this product required: - productId - productName - productType - totalRevenuePaise - salesCount description: Top 10 products by revenue for the period required: - summary - revenueByPeriod - topProducts required: - status - data - type: object properties: status: type: string enum: - error errorMessage: type: string required: - status - errorMessage required: - output security: - FERMION-API-KEY: [] components: securitySchemes: FERMION-API-KEY: name: FERMION-API-KEY type: apiKey in: header ````