# Highnote Account Holders & Onboarding API

**Canonical:** https://apis.io/apis/highnote/highnote-account-holders-api/  
**Provider:** Highnote — https://apis.io/providers/highnote/  
**Base URL:** https://api.us.highnote.com/graphql  
**Documentation:** https://docs.highnote.com/docs/issuing/accounts/onboarding/onboard-an-account

Highnote Account Holders & Onboarding API is one of 7 APIs that [Highnote](https://apis.io/providers/highnote/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Onboarding, KYC, KYB, Application, and Compliance. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

Onboard US person and US business account holders (createUSPersonAccountHolder, createUSBusinessAccountHolder), manage authorized users, submit and accept card product applications (createAccountHolderCardProductApplication), run KYC/KYB identity verification and identity-update flows, and query personAccountHolders and businessAccountHolders. Handles the compliance and onboarding lifecycle that gates issuing, credit, and money-movement products through the single GraphQL endpoint.

## Machine-readable artifacts (4)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/highnote/refs/heads/main/openapi/highnote-graphql-api-openapi.yml
- **Documentation** — https://docs.highnote.com/docs/issuing/accounts/onboarding/onboard-an-account
- **APIReference** — https://docs.highnote.com/docs/api-reference/object
- **GraphQL** — https://raw.githubusercontent.com/api-evangelist/highnote/refs/heads/main/graphql/highnote-graphql.md

## Other Highnote APIs (6)

- [Highnote Issuing API](https://apis.io/apis/highnote/highnote-issuing-api/)
- [Highnote Acquiring API](https://apis.io/apis/highnote/highnote-acquiring-api/)
- [Highnote Money Movement API](https://apis.io/apis/highnote/highnote-money-movement-api/)
- [Highnote Transactions & Disputes API](https://apis.io/apis/highnote/highnote-transactions-api/)
- [Highnote Spend Controls & Collaborative Authorization API](https://apis.io/apis/highnote/highnote-spend-controls-api/)
- [Highnote Webhooks & Event Notifications API](https://apis.io/apis/highnote/highnote-webhooks-api/)

## Tags

Onboarding, KYC, KYB, Application, Compliance, GraphQL, United States

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/highnote/highnote-account-holders-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/highnote/.