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Integrate REST APIs with your enterprise systems

Connect REST services to hundreds of applications and systems. Build API integrations, automate HTTP operations, and create scalable integration workflows with Python.

Tutorials

How to use the REST integration

More examples

Receiving webhooks

Handle incoming HTTP callbacks from external systems like Jira, ServiceNow, and Salesforce

Orchestrating multiple APIs

Combine data from multiple sources into unified responses and build complex workflows

API authentication

Configure Basic Auth, API keys, OAuth, and other security methods for your APIs

Data mapping

Transform API responses to models and convert between formats

File uploads and downloads

Process multipart forms, return attachments, and stream binary data

HTTP verbs

Handle GET, POST, PUT, PATCH, DELETE with dedicated methods for REST resources

Request and response objects

Access incoming data, set status codes, and return JSON from your services

Integrating with API gateways

Connect Zato to Azure API Management, AWS API Gateway, Kong, or similar

API versioning

Publish new versions, deprecate old ones with sunset dates and successor links, retire them on usage evidence

Using the OpenAPI console

Live documentation, per-caller access and a try-it client

API Management documentation

The hub with everything the layer includes - gateway, security, quota tiers, analytics and GitOps

OpenAPI administration

API Management for operators - which channels are documented, auto-created channels, branding

OpenAPI specifications

Generate OpenAPI specs from Dashboard or access them programmatically via HTTP

Data models

Define request and response schemas with Python dataclasses for type safety and OpenAPI generation

API configuration

Where to keep your configuration - API endpoints, mapping tables, and environment-specific settings

About REST

REST (Representational State Transfer) is an architectural style for designing networked applications. REST APIs use HTTP methods to perform operations on resources identified by URLs. REST has become the dominant approach for web APIs due to its simplicity, scalability, and stateless nature. With Zato, you can expose REST APIs, consume external REST services, and build complex integrations that connect REST endpoints with databases, message queues, and enterprise applications.

Frequently asked questions

How do I create a REST API with Zato?

Create a REST channel pointing to your Python service. You specify the URL path, HTTP methods, and data format. Zato handles request parsing and response serialization.

What authentication methods are supported?

Zato supports Basic Auth, API keys, OAuth 2.0, JWT tokens, and custom schemes. See API authentication for configuration details.

Can I transform data between different formats?

Yes - see data mapping for transforming API responses to internal models and converting between formats.

How do I call external REST APIs?

Configure an outgoing REST connection in Dashboard, then call it from your service. Zato handles serialization and connection pooling.

How do I access incoming request data?

Use self.request.payload for parsed JSON or self.request.input when using data models.

Can I handle different HTTP verbs in one service?

Yes - implement handle_GET, handle_POST, etc. Zato routes requests to the right method automatically.

How do I receive webhooks from external systems?

Create a REST channel for the webhook URL. Your service receives the JSON payload in self.request.payload.

How do I combine data from multiple APIs?

Use self.invoke() to call other services and combine their responses into a single result.

Can Zato replace a proprietary integration platform?

Yes - REST channels, outgoing connections and Python services cover what commercial suites do with proprietary languages and IDEs.

Ready to build REST integrations?

Get started with Zato and connect your REST APIs to enterprise systems in minutes.