# www.getlago.com

> AI-optimized mirror of www.getlago.com containing 50 pages totalling 22,178 words of clean markdown content, structured data, and semantic HTML. Original source: https://www.getlago.com/. Last updated: 2026-04-27T00:48:50.536Z.

Each page is available as HTML (with JSON-LD structured data) and Markdown (text-only, ideal for LLMs and RAG).

## Homepage

- [The AI-native billing platform](/site-root.html): Scale your AI or tech business with Lago: event-driven usage metering, hybrid pricing-ready, open-source + cloud — build fast, bill accurately. (370 words)

## Articles & Blog Posts

- [cURL example](/docs/api-reference/wallets/top-up/index.html): This endpoint is used to top-up an active wallet. (400 words)
- [docs/guide/invoicing/invoicing-settings/taxes/index.html](/docs/guide/invoicing/invoicing-settings/taxes/index.html) (1 words)
- [blog/open-source-cheaper/index.html](/blog/open-source-cheaper/index.html) (1 words)
- [legal/privacy-policy/index.html](/legal/privacy-policy/index.html) (1 words)
- [blog/fintechs-billing-engineer/index.html](/blog/fintechs-billing-engineer/index.html) (1 words)
- [docs/api-reference/credit-notes/download/index.html](/docs/api-reference/credit-notes/download/index.html) (1 words)
- [blog/ai-pricing-models/index.html](/blog/ai-pricing-models/index.html) (1 words)
- [docs/api-reference/subscriptions/update/index.html](/docs/api-reference/subscriptions/update/index.html) (1 words)
- [blog/orms-are-criticized-for-the-wrong-reasons/index.html](/blog/orms-are-criticized-for-the-wrong-reasons/index.html) (1 words)
- [Credit purchases and top-ups](/docs/guide/wallet-and-prepaid-credits/wallet-top-up-and-void/index.html): Add and void credits, to the customer's wallet. (1,003 words)
- [We’re in Beta, why are they so mad?](/blog/were-in-beta-why-are-they-so-mad/index.html): In this blog post, Lago's co-founder explores the varied perceptions of alpha and beta product stages, arguing that while often misused as buzzwords or excuses for underdeveloped products, these labels can be beneficial for customer transparency and feedback if applied correctly.  (1,642 words)
- [List all fundings for a wallet transaction](/docs/api-reference/wallets/get-all-fundings/index.html): This endpoint is used to list all funding records for an outbound wallet transaction. It shows which inbound transactions funded this outbound transaction. Only available for traceable wallets. (510 words)
- [The fee object](/docs/api-reference/fees/fee-object/index.html): This object represents a line item of an invoice, handling amount, billed units and item description. (1,759 words)
- [Which pricing model should you choose?](/blog/which-pricing-model-should-you-choose/index.html): It's not easy to determine what your company's pricing model should be. To help you make your decision, we've listed in this article the most famous pricing models, with their advantages and drawbacks. (1,246 words)
- [Integration setup](/docs/integrations/payments/gocardless-integration/index.html): Lago's native integration with GoCardless allows you to collect payments via direct debit. (978 words)
- [5 essential billing features for BaaS companies](/blog/5-essential-billing-features-for-baas-companies/index.html): BaaS companies often have complex pricing models that include many different types of fees. This complexity makes it harder for their teams to build a functional billing system. Here are five billing features that are essential for BaaS companies. (879 words)
- [Events list](/docs/guide/events/retrieve-usage/index.html): Monitor ingested events, debug warnings, and retrieve current, projected, or past usage data for your customers. (701 words)
- [The alert object](/docs/api-reference/alerts/alert-object/index.html): This object represents an alert to monitor your subscriptions' usage and billing by firing notifications when certain conditions are met. (426 words)
- [Generating PDF invoices using Lago](/blog/generating-pdf-invoices-using-lago/index.html): Discover how we designed Lago's invoice generation engine and how to make the most of it. (906 words)
- [8 things to consider when choosing your billing system](/blog/8-things-to-consider-when-choosing-your-billing-system.html): Evaluate billing systems across scalability, transparency, real-time data, pricing models, and more. So your revenue engine grows with your business. (1,403 words)
- [Add-ons](/docs/api-reference/add-ons/get-all/index.html): This endpoint is used to list all existing add-ons. (264 words)
- [The fixed charge object](/docs/api-reference/subscriptions/fixed-charges/object/index.html): This object represents a fixed charge associated with a subscription. Fixed charges are based on add-ons and support standard, graduated, and volume charge models. (465 words)
- [Charge for usage without headaches](/platform/usage-metering/index.html): Usage-based billing made easy (331 words)
- [Delete a charge](/docs/api-reference/plans/charges/destroy/index.html): This endpoint deletes a specific charge from a plan. (633 words)
- [Override a fixed charge for a subscription](/docs/api-reference/subscriptions/fixed-charges/update/index.html): This endpoint creates or updates a fixed charge override for a specific subscription. If the subscription does not have a plan override yet, one will be created automatically. The fixed charge override allows customizing specific fixed charge properties (invoice_display_name, units, properties, taxes) without affecting the original plan fixed charge. This is a premium feature. (602 words)
- [The subscription entitlement object](/docs/api-reference/entitlements/subscription-entitlements/subscription-entitlement-object/index.html): This object represents entitlements belonging to a subscription. (304 words)
- [Retrieve a billing entity](/docs/api-reference/billing-entities/get-specific/index.html): This endpoint returns a specific billing entity by its code (442 words)
- [List all fixed charges for a subscription](/docs/api-reference/subscriptions/fixed-charges/get-all/index.html): This endpoint retrieves all effective fixed charges for a specific subscription. If the subscription has plan overrides with fixed charge overrides, the overridden fixed charges are returned. (433 words)
- [Record Manual Payments](/docs/guide/payments/record-manual-payments/index.html): On top of our native integrations with leading payment providers, you can also record manual payments. (155 words)
- [Generate a payment URL](/docs/api-reference/wallets/wallet-transaction-payment-url/index.html): This endpoint generates a checkout link for a specific wallet transaction. (201 words)
- [What are the changes?](/docs/guide/migration/migration-to-v1-43-0.html) (492 words)
- [`ANALYZE` and `VACUUM`](/docs/guide/lago-self-hosted/database-maintenance/index.html): Keeping your Postgres at its best (376 words)
- [1. Does Lago support prepaid credits?](/docs/faq/product-features/index.html) (634 words)
- [Why B2B billing is hard](/blog/why-b2b-billing-is-hard/index.html): When starting your business with a simple pricing model, implementing your own billing system may seem easy. But you need to understand the intricacies of the job before you can jump right in. (717 words)
- [Draft Invoices](/docs/guide/invoicing/draft-invoices/index.html): A draft invoice is an editable invoice by several ways. (430 words)
- [MAX billable metric](/docs/guide/billable-metrics/aggregation-types/max/index.html) (263 words)
- [Retrieve a charge filter](/docs/api-reference/subscriptions/charges/filters/get-specific/index.html): This endpoint retrieves a specific filter for a charge on a subscription. (424 words)
- [System roles in Lago](/docs/guide/security/rbac/index.html): Define user roles & permissions in Lago. (403 words)
- [List all features](/docs/api-reference/entitlements/features/get-all-features/index.html): This endpoint retrieves all existing features that represent entitlement components of your application. (359 words)
- [Add metadata on invoice](/docs/guide/invoicing/invoice-metadata/index.html) (344 words)
- [Retrieve a feature](/docs/api-reference/entitlements/features/get-feature/index.html): This endpoint retrieves an existing feature that represents an entitlement component of your application. The feature is identified by its unique code. (307 words)
- [Parameters](/docs/api-reference/pagination/index.html) (189 words)
- [Launch Week III Day 1: Back to the future with invoice previews](/blog/invoice-previews/index.html): Invoice Previews in Lago add clarity to usage-based billing—show customers real-time costs & help teams forecast revenue with zero billing surprises. (283 words)
- [Charge Models](/docs/guide/plans/charges/charge-models/volume/index.html) (107 words)
- [Invoice numbering](/docs/guide/invoicing/invoicing-settings/invoice-numbering/index.html): Define how invoice numbers are generated — per customer or across the billing entity. (203 words)
- [Rounding options](/docs/guide/billable-metrics/rounding/index.html): Lago aggregates your events in real time. You can add rounding rules to the final result. (199 words)
- [GCP Marketplace Integration with Lago](/docs/integrations/marketplaces/gcp-marketplace/index.html): Lago integrates with GCP marketplace through our partner Suger.io (122 words)
- [Benefits of Lago Cloud](/docs/guide/lago-cloud/index.html): Lago Cloud is the fully hosted version of our open-source billing API. (69 words)
- [Launch Week III Day 4: Crypto payments are now available](/blog/crypto-payments/index.html): Crypto Payments now in Lago via Stripe. Accept USDC & USDP securely, no memecoins—easy toggle on/off for flexible, stable, dollar-pegged transactions. (196 words)

## Resources

- [Full Page Index](/index.html): Browse all cached pages with rich metadata
- [About This Cache](/content/about.html): Methodology, technical details, and usage guidelines
- [XML Sitemap](/content/sitemap.xml): Machine-readable sitemap for crawler discovery
- [Robots.txt](/content/robots.txt): Crawler directives