# Justt REST API

**Canonical:** https://apis.io/apis/justt/rest-api/  
**Provider:** Justt — https://apis.io/providers/justt/  
**Base URL:** https://api.justt.ai/v1  
**Documentation:** https://developers.justt.ai/reference

Justt REST API is one of 3 APIs that [Justt](https://apis.io/providers/justt/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Chargebacks, Disputes, Payments, Evidence, and Merchants. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

The Justt REST API lets merchants read and manage chargebacks, enrich them with transaction data and evidence files, decide whether Justt should fight or accept a dispute, manage merchants and PSP integrations, record pre-chargeback alert outcomes, and request data-subject removal. Bearer API-key authentication over HTTPS; JSON request and response bodies.

## Machine-readable artifacts (9)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/justt/refs/heads/main/openapi/justt-rest-api-openapi-original.json
- **Documentation** — https://developers.justt.ai/docs/getting-started
- **APIReference** — https://developers.justt.ai/reference
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/justt/refs/heads/main/apis.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/justt/refs/heads/main/arazzo/_index.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/justt/refs/heads/main/arazzo/justt-alert-to-outcome.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/justt/refs/heads/main/arazzo/justt-sandbox-lifecycle.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/justt/refs/heads/main/arazzo/justt-submit-evidence.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/justt/refs/heads/main/arazzo/justt-triage-and-decide.yml

## Other Justt APIs (2)

- [Justt Pre-Chargeback Alerts API](https://apis.io/apis/justt/pre-chargeback-alerts/)
- [Justt Webhook Events](https://apis.io/apis/justt/webhook-events/)

## Tags

Chargebacks, Disputes, Payments, Evidence, Merchants

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