Highnote · GraphQL Specification
Highnote GraphQL API
The [Highnote](https://highnote.com/) embedded-finance platform exposes a **single GraphQL
Documentation
Endpoint
View on GitHub
Card IssuingCard AcquiringEmbedded FinanceBanking as a ServiceFintechPaymentsGraphQLLedgerCreditMoney MovementACHKYCUnited StatesGraphQL
Overview
Highnote GraphQL API is a GraphQL API specification published by Highnote on the APIs.io network.
The Highnote embedded-finance platform exposes a **single GraphQL
Tagged areas include Card Issuing, Card Acquiring, Embedded Finance, Banking as a Service, and Fintech.
Endpoint
Related API Specs
Highnote Issuing API (OpenAPI)
Highnote Account Holders & Onboarding API (OpenAPI)
Highnote Acquiring API (OpenAPI)
Highnote Money Movement API (OpenAPI)
Highnote Transactions & Disputes API (OpenAPI)
Highnote Spend Controls & Collaborative Authorization API (OpenAPI)
Highnote Webhooks & Event Notifications API (OpenAPI)
Work with this as data
Every GraphQL schema here is available over the APIs.io API and to AI agents over MCP.
MCP server
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
Tools for graphql
4 MCP tools reach this
find_graphqlBrowse and filter every GraphQL schema in the catalog.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.
Call it yourself
curl for this page
This GraphQL schema
curl "https://apis.io/api/v1/graphql/highnote-graphql"
All graphql
curl "https://apis.io/api/v1/graphql?limit=25"
Discovery needs no key. Ratings and market analysis are Pro.