# Addi > Addi is a Colombian buy-now-pay-later (BNPL) fintech (founded 2018) that lets shoppers split purchases into installments using only a national ID — no credit card. Merchants integrate Addi as a checkout payment method via first-party e-commerce plugins and a REST API secured with Auth0 OAuth2 client-credentials. Addi serves 2M+ customers and tens of thousands of merchants across Colombia and Brazil, and is regulated by the Superintendencia Financiera de Colombia. ## APIs - [Addi Credit & Checkout API](https://api-docs-sandbox.addi.com/auth/): Create BNPL credit applications at checkout; Auth0 OAuth2 client-credentials. Production host https://api.addi.com ## Docs - [API Authentication (sandbox)](https://api-docs-sandbox.addi.com/auth/): Auth0-based authentication for merchant integrations - [Website (Colombia)](https://co.addi.com/): Consumer + merchant site - [Blog](https://medium.com/addi-com): Company blog on Medium - [FAQ / Support](https://co.addi.com/preguntas-frecuentes): Help center - [Terms of Service](https://co.addi.com/tyc-links-addi) - [Privacy Policy](https://co.addi.com/pp) ## Packages - [addi/magento2-payment](https://packagist.org/packages/addi/magento2-payment): Magento 2 payment/checkout module - [addi-vtex-io](https://github.com/AdelanteFinancialHoldings/addi-vtex-io): VTEX IO installments app - [addi-prestashop](https://github.com/AdelanteFinancialHoldings/addi-prestashop): PrestaShop checkout plugin ## Repositories - [GitHub organization (AdelanteFinancialHoldings)](https://github.com/AdelanteFinancialHoldings)