# Gorila (GorilaCORE) > Gorila is a Brazilian investment-technology company that consolidates, calculates, and reconciles investment portfolios across every custodian. Its developer product, GorilaCORE, is a B2B REST API for building investment-consolidation and portfolio-analytics experiences: create portfolios, ingest transactions, and retrieve NAV, P&L, time-weighted return (TWR), and internal-rate-of-return (IRR) time series computed from millions of transactions. Backed by Ribbit Capital. ## API - [GorilaCORE overview](https://gorila.com.br/core/): Investment-consolidation API for institutions, fintechs, and advisors - [Base URL](https://core.gorila.com.br): Root host for all GorilaCORE API requests - [API Reference](https://gorila.com.br/core/en/api/): Endpoint reference for GorilaCORE - [Quick start](https://gorila.com.br/core/en/docs/quickstart/): Auth + first requests - [Changelog](https://gorila.com.br/core/changelog/): Dated release notes ## Authentication - Static API key sent verbatim in the HTTP `Authorization` header (no Bearer prefix). See authentication/gorila-authentication.yml ## Operations (documented) - POST /portfolios: Create a portfolio - POST /portfolios/{portfolio_id}/transactions: Add a transaction - GET /portfolios/{portfolio_id}/nav: Net Asset Value time series - GET /portfolios/{portfolio_id}/pnl: Profit & Loss time series - GET /portfolios/{portfolio_id}/twr: Time-Weighted Return time series - GET /portfolios/{portfolio_id}/positions/irr: Internal Rate of Return by position ## Docs - [Developer Portal](https://gorila.com.br/core/developers/) - [Documentation](https://core.gorila.com.br/docs) - [Status](https://status.gorila.com.br/) - [Blog](https://gorila.com.br/blog/) - [Terms of Use](https://gorila.com.br/termos-de-uso/) - [Privacy Policy](https://gorila.com.br/politica-de-privacidade/) ## Artifacts (API Evangelist enrichment) - [Authentication](authentication/gorila-authentication.yml) - [Conventions](conventions/gorila-conventions.yml) - [Lifecycle](lifecycle/gorila-lifecycle.yml) - [MCP (candidate)](mcp/gorila-mcp.yml) - [Domain security](security/gorila-domain-security.yml)