# WealthKernel > WealthKernel is a UK- and EU-regulated digital investing infrastructure provider offering "investing as a service" through a single REST API. It supplies onboarding (KYC/AML), tax-wrapper accounts (GIA, ISA, JISA, SIPP), account funding (BACS, CHAPS, open banking, direct debits), custody as a licensed UK custodian, fractional and multi-currency trading, portfolio management and rebalancing, cash savings, transfers, valuations, performance and FCA transaction reporting. Authorised and regulated by the FCA (FRN 723719), registered with Spain's CNMV, and ISO 27001:2022 certified. ## API - [WealthKernel API — Getting Started](https://docs.wealthkernel.com/docs/api/getting-started): entry point for the all-in-one investing API - [API Reference (2021-05-17)](https://docs.wealthkernel.com/docs/api/2021-05-17): dated, versioned REST reference - Production base URL: https://api.wealthkernel.io - Sandbox base URL: https://api.sandbox.wealthkernel.io ## Authentication - OAuth2 client-credentials over OpenID Connect - Production token endpoint: https://auth.wealthkernel.com/connect/token - Sandbox token endpoint: https://auth.sandbox.wealthkernel.io/connect/token - [Managing secrets](https://docs.wealthkernel.com/docs/guides/docs/api-clients/Managing-Secrets.md) - [Authentication concepts](https://docs.wealthkernel.com/docs/api/docs/help/Authentication.md) ## Conventions - [Idempotency](https://docs.wealthkernel.com/docs/api/docs/help/Idempotency.md) - [Pagination](https://docs.wealthkernel.com/docs/api/docs/help/Pagination.md) - [Eventual consistency](https://docs.wealthkernel.com/docs/api/docs/help/EventualConsistency.md) ## Events - [Webhooks concepts](https://docs.wealthkernel.com/docs/api/docs/help/Webhooks.md): HMAC-SHA256 signed (Webhook-Signature), versioned event types - [Webhooks getting started](https://docs.wealthkernel.com/docs/guides/docs/webhooks/Getting-Started.md) ## Docs - [Developer guides](https://docs.wealthkernel.com/): domains for accounts, portfolios, trading, deposits, withdrawals, transfers, balances, valuations, performance, ISA/SIPP, direct debits, cash savings and more - [Sandbox FAQ](https://docs.wealthkernel.com/docs/guides/docs/sandbox/Sandbox-FAQ.md) ## Company - [Website](https://www.wealthkernel.com) - [Investing API](https://www.wealthkernel.com/platform/investing-api) - [Regulatory](https://www.wealthkernel.com/regulatory) - [Status](https://status.wealthkernel.com) - [GitHub](https://github.com/wealthkernel) - [Blog](https://www.wealthkernel.com/blog) ## Artifacts (API Evangelist enrichment) - Authentication: authentication/wealthkernel-authentication.yml - Conventions: conventions/wealthkernel-conventions.yml - Webhooks: asyncapi/wealthkernel-webhooks.yml - Sandbox: sandbox/wealthkernel-sandbox.yml - Lifecycle: lifecycle/wealthkernel-lifecycle.yml - Conformance: conformance/wealthkernel-conformance.yml - Well-Known (OIDC): well-known/wealthkernel-well-known.yml - Data model: data-model/wealthkernel-data-model.yml