March 2026: Implemented end-to-end wallet management and alerts capabilities across lago-go-client, lago-api, and lago-openapi; introduced wallet alerts in GraphQL; improved performance for fees data paths; added a unique constraint to enforce data integrity; and enhanced developer-facing documentation for customer wallets and alerts.

February 2026: Delivered a major Wallet API restructuring under the customer namespace in getlago/lago-api. Introduced new endpoints for wallet operations and wallet metadata under /customers/:customer_external_id/wallets/:code, while preserving existing wallet endpoints to ensure zero-downtime migration. This alignment with the wallet alerts API improves usability, resource grouping, and onboarding for customer-specific wallet management. The work enhances API consistency across wallet-related resources and establishes a foundation for future wallet governance features, driving easier integrations for customers and internal teams.

January 2026 monthly summary focusing on key accomplishments across getlago/lago-api and getlago/lago-openapi, highlighting feature delivery for offset termination of pay-in-advance subscriptions, improved billing flexibility, and cross-repo parity.

Month-end summary for 2025-12 focused on delivering flexible subscription invoice issuing dates, improving processing performance, and aligning API schemas with business rules.

In 2025-11, delivered a robust Invoice Issuing Date Preferences Configuration in lago-api, enabling flexible invoicing dates via issuing_date anchors and adjustments. Implemented as a three-part rollout across BillingEntity and Customer models, with GraphQL and REST API exposure. This enables customers to tailor invoice dating (e.g., last day of billing period) to their business rules, addressing customer feedback and reducing invoicing errors. The work aligns with Notion specs and roadmaps and integrates alongside the existing invoice_grace_period settings.