Designing Secure Integrations — Proposed Guide

Planned API — Reference Only

Designing Secure Integrations: Security design should begin with data minimization, credential boundaries and target-resource authorization. A valid…

Overview

Security design should begin with data minimization, credential boundaries and target-resource authorization. A valid provider grant alone does not establish permission for a financial operation.

Key concepts

Review scope, ownership, secret handling and event verification as separate controls. Document failure containment.

Implementation considerations

These are proposed design considerations, not claims of implemented Remizen controls. No credential store or security service is configured.

Illustrative data model

This local fixture shows a possible representation for the concepts above. It is not an endpoint response, production configuration or a claim that the described capability is implemented.

JSON fixture

Fictional concept fixture

{
  "reference_only": true,
  "topic": "Designing Secure Integrations",
  "integration_id": "integration_example_123",
  "scope": [
    "expenses:read"
  ],
  "organization_id": "org_example_123",
  "grant_id": "grant_example_123"
}

Design review checklist

Document which organization owns the designing secure integrations representation and which actor may view or change it.
Test the boundaries of integration id, scope, organization id, grant id using synthetic values, including missing or inconsistent references.
Before future implementation, obtain an approved contract and review failure behavior. This documentation does not authorize production activation.

Proposed data types

Illustrative field dictionary
Name	Type	Description
integration_id	string	Stable fictional integration reference; not a secret and not evidence that a resource exists.
scope	array<string>	Illustrative minimum-access grant names, not issued or finalized production scopes.
organization_id	string	Stable fictional organization reference; not a secret and not evidence that a resource exists.
grant_id	string	Stable fictional grant reference; not a secret and not evidence that a resource exists.

Handling Reimbursement Events

Advanced Guides

Managing API Errors