Machine to Machine Auth
Use FusionAuth’s machine to machine (M2M) solution to create tokens, manage granular permissions, and more.
Industry-Standard Authentication for Software & Devices
Leverage industry-standard OAuth2 Client Credentials grant for issuing tokens to software or devices. Use scopes to represent permissions, ensuring compatibility and security in your M2M communications.
Use Cases
Control permissions between APIs, manage hardware device access, or secure IoT scenarios. FusionAuth's M2M authentication adapts to your specific needs, providing a flexible solution for diverse software-to-software communication requirements.
Control access between APIs, devices & applications (IoT ready).
Tailor access for diverse software-to-software communication.
Unlimited Permissions And Entities
Create unlimited entity types, entities, and permissions without constraints. Model tens of millions of entities and generate JWTs for each, with custom permission strings that map to your application's business domain.
APIs and SDKs
Seamlessly integrate M2M authentication into your systems using our comprehensive APIs or SDKs. Create, find, update, and delete entities and permissions programmatically, streamlining your development process.
Searching
Efficiently manage large-scale M2M systems with FusionAuth’s advanced search capabilities. Use unstructured data fields for each entity and perform targeted searches based on permissions, name, or custom data.
Customize Tokens
Each M2M authentication results in a token. Customize the token lifetime by entity type. Use JavaScript to perform additional customization with a lambda.
JWT Vend API
M2M not flexible enough? For advanced use cases, leverage the Vend API to build custom tokens with precise signing algorithms and payloads, providing ultimate flexibility in your M2M authentication strategy.
20M+
Downloads
1,000+
Logins/sec Supported
99.99%
Uptime SLA
24/7
Engineer-led Support
Complete Auth for Any App
FusionAuth is a complete solution with no sacrifices. We got this. Go build something awesome.
Quickstarts\ Step-by-step guides to quickly integrate FusionAuth into your application.\ Get Started](/content/docs/quickstarts/index.html) Modern Guide to OAuth\ Discover what OAuth 2.0 is, how it works, and its importance in securing and managing access to online resources. \ Learn More](/content/articles/oauth/index.html)
Never Switch Customer Auth Providers Again
Whether you are building your MVP or have hit hockey stick growth, FusionAuth is a complete auth solution with no sacrifices. We got this. Go build something awesome.