> ## Documentation Index > Fetch the complete documentation index at: https://documentation.nozle.dev/llms.txt > Use this file to discover all available pages before exploring further. # List usage revenue > Reports a monthly analysis focused on the revenue generated from all usage-based fees. It exclusively accounts for revenue that has been formally invoiced. Importantly, this report does not include revenue related to the usage in the current billing period, limiting its scope to previously invoiced amounts. ## OpenAPI ````yaml /lago-openapi.yaml get /analytics/invoiced_usage openapi: 3.1.0 info: title: Nozle Billing API description: >- Nozle Billing API allows your application to push customer information and metrics (events) from your application to the billing engine. version: 1.49.0 license: name: AGPLv3 url: https://github.com/getlago/lago-openapi/blob/main/LICENSE contact: email: tech@getlago.com servers: - url: https://core.nozle.app/api/v1 description: Nozle Billing API security: - bearerAuth: [] tags: - name: Activity Logs description: Everything about Activity logs externalDocs: description: Find out more url: https://getlago.com/docs/api-reference/audit-logs/activity-logs-object - name: Analytics description: Everything about Analytics - name: API Logs description: Everything about API logs externalDocs: description: Find out more url: https://getlago.com/docs/api-reference/audit-logs/api-logs-object - name: Billable Metrics description: Everything about Billable metric collection externalDocs: description: Find out more url: https://getlago.com/docs/api-reference/billable-metrics/object - name: Features description: Everything about Feature collection externalDocs: description: Find out more url: >- https://getlago.com/docs/api-reference/entitlements/features/feature-object - name: Entitlements description: Everything about Entitlement collection externalDocs: description: Find out more url: >- https://getlago.com/docs/api-reference/entitlements/plan-entitlements/plan-entitlement-object - name: Billing Entities description: Everything about Billing Entities externalDocs: description: Find out more url: https://getlago.com/docs/api-reference/billing-entities/object - name: Customers description: Everything about Customer collection externalDocs: description: Find out more url: https://getlago.com/docs/api-reference/customers/object - name: Plans description: Everything about Plan collection externalDocs: description: Find out more url: https://getlago.com/docs/api-reference/plans/object - name: Subscriptions description: Everything about Subscription collection externalDocs: description: Find out more url: https://getlago.com/docs/api-reference/subscriptions/subscription-object - name: Events description: Everything about Event collection externalDocs: description: Find out more url: https://getlago.com/docs/api-reference/events/event-object - name: Organizations description: Everything about Organization collection externalDocs: description: Find out more url: https://getlago.com/docs/api-reference/organizations/organization-object - name: Taxes description: Everything about Tax collection externalDocs: description: Find out more url: https://getlago.com/docs/api-reference/taxes/tax-object - name: Coupons description: Everything about Coupon collection externalDocs: description: Find out more url: https://getlago.com/docs/api-reference/coupons/coupon-object - name: Add-ons description: Everything about Add-on collection externalDocs: description: Find out more url: https://getlago.com/docs/api-reference/add-ons/add-on-object - name: Fees description: Everything about Fees externalDocs: description: Find out more url: >- https://getlago.com/docs/api-reference/invoices/invoice-object#fee-object - name: Invoices description: Everything about Invoice collection externalDocs: description: Find out more url: https://getlago.com/docs/api-reference/invoices/invoice-object - name: Wallets description: Everything about Wallet collection externalDocs: description: Find out more url: https://getlago.com/docs/api-reference/wallets/wallet-object - name: Credit Notes description: Everything about Credit notes collection externalDocs: description: Find out more url: https://getlago.com/docs/api-reference/credit-notes/credit-note-object - name: Webhooks description: Everything about Webhooks externalDocs: description: Find out more url: >- https://getlago.com/docs/api-reference/webhooks/format---signature#1-retrieve-the-public-key - name: Webhook Endpoints description: Everything about Webhook Endpoints externalDocs: description: Find out more url: >- https://getlago.com/docs/api-reference/webhook-endpoints/webhook-endpoint-object - name: Payment Receipts description: Everything about Payment receipts externalDocs: description: Find out more url: >- https://getlago.com/docs/api-reference/payment-receipts/payment-receipt-object - name: Payment Requests description: Everything about PaymentRequests externalDocs: description: Find out more url: >- https://getlago.com/docs/api-reference/payment-requests/payment-request-object - name: Payments description: Everything about Payments externalDocs: description: Find out more url: https://getlago.com/docs/api-reference/payments/payment-object - name: Payment Methods description: Everything about Payment Methods externalDocs: description: Find out more url: >- https://getlago.com/docs/api-reference/payment-methods/payment-method-object externalDocs: description: Lago Github url: https://github.com/getlago paths: /analytics/invoiced_usage: get: tags: - Analytics summary: List usage revenue description: >- Reports a monthly analysis focused on the revenue generated from all usage-based fees. It exclusively accounts for revenue that has been formally invoiced. Importantly, this report does not include revenue related to the usage in the current billing period, limiting its scope to previously invoiced amounts. operationId: findAllInvoicedUsages parameters: - name: currency in: query description: The currency of invoiced usage analytics. Format must be ISO 4217. required: false explode: true schema: allOf: - $ref: '#/components/schemas/Currency' - example: USD - $ref: '#/components/parameters/months' responses: '200': description: Invoiced usage content: application/json: schema: $ref: '#/components/schemas/InvoicedUsages' '401': $ref: '#/components/responses/Unauthorized' components: schemas: Currency: type: string example: USD enum: - AED - AFN - ALL - AMD - ANG - AOA - ARS - AUD - AWG - AZN - BAM - BBD - BDT - BGN - BIF - BMD - BND - BOB - BRL - BSD - BWP - BYN - BZD - CAD - CDF - CHF - CLF - CLP - CNY - COP - CRC - CVE - CZK - DJF - DKK - DOP - DZD - EGP - ETB - EUR - FJD - FKP - GBP - GEL - GHS - GIP - GMD - GNF - GTQ - GYD - HKD - HNL - HRK - HTG - HUF - IDR - ILS - INR - ISK - JMD - JPY - KES - KGS - KHR - KMF - KRW - KYD - KZT - LAK - LBP - LKR - LRD - LSL - MAD - MDL - MGA - MKD - MMK - MNT - MOP - MRO - MUR - MVR - MWK - MXN - MYR - MZN - NAD - NGN - NIO - NOK - NPR - NZD - PAB - PEN - PGK - PHP - PKR - PLN - PYG - QAR - RON - RSD - RUB - RWF - SAR - SBD - SCR - SEK - SGD - SHP - SLL - SOS - SRD - STD - SZL - THB - TJS - TOP - TRY - TTD - TWD - TZS - UAH - UGX - USD - UYU - UZS - VND - VUV - WST - XAF - XCD - XOF - XPF - YER - ZAR - ZMW InvoicedUsages: type: object required: - invoiced_usages properties: invoiced_usages: type: array items: $ref: '#/components/schemas/InvoicedUsageObject' InvoicedUsageObject: type: object required: - month - amount_cents - currency properties: month: type: string description: Identifies the month to analyze revenue. example: '2023-11-01T00:00:00.000Z' code: type: string description: The code of the usage-based billable metrics. example: code1 amount_cents: type: integer description: The total amount of revenue for a period, expressed in cents. example: 50000 currency: $ref: '#/components/schemas/Currency' description: The currency of revenue analytics. Format must be ISO 4217. example: USD ApiErrorUnauthorized: type: object required: - status - error properties: status: type: integer format: int32 example: 401 error: type: string example: Unauthorized parameters: months: name: months in: query description: Show data only for given number of months. required: false explode: true schema: type: integer example: 12 responses: Unauthorized: description: Unauthorized error content: application/json: schema: $ref: '#/components/schemas/ApiErrorUnauthorized' securitySchemes: bearerAuth: type: http scheme: bearer ````