# Highnote Transactions & Disputes API

**Canonical:** https://apis.io/apis/highnote/highnote-transactions-api/  
**Provider:** Highnote — https://apis.io/providers/highnote/  
**Base URL:** https://api.us.highnote.com/graphql  
**Documentation:** https://docs.highnote.com/docs/issuing/transactions/transaction-lifecycle

Highnote Transactions & Disputes 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 Transaction, Disputes, Clearing, Ledger, and Reporting. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

Query and manage the full payment transaction lifecycle (paymentTransactions, transactionBatches) with HQL search and Relay cursor pagination, read pending, cleared, and settled states against the real-time ledger, and initiate and track cardholder transaction disputes (initiateCustomerCardTransactionDispute). Covers authorizations, clearings, reversals, and refunds surfaced 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/transactions/transaction-lifecycle
- **APIReference** — https://docs.highnote.com/docs/api-reference/query
- **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 Account Holders & Onboarding API](https://apis.io/apis/highnote/highnote-account-holders-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 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

Transaction, Disputes, Clearing, Ledger, Reporting, 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-transactions-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/highnote/.