Shift4 is a comprehensive payment processing solution that enables businesses to manage transactions and customer data effectively. By integrating with Relevance AI, you can leverage advanced AI capabilities to streamline operations and enhance customer experiences.



Shift4 provides robust payment processing and customer management capabilities. With Relevance AI, you can automate these processes intelligently, allowing your AI Agents to handle transactions and customer interactions efficiently.
Intelligent Payment Orchestration
AI agent dynamically routes and manages payment flows across multiple channels for optimal processing efficiency
Predictive Risk Analysis
Agent leverages transaction patterns and customer behavior data to identify potential fraud before it occurs
Dynamic Customer Intelligence
Agent analyzes payment behaviors and preferences to create personalized transaction experiences
Relevance AI integrates seamlessly with Shift4 to enhance your payment processing workflows.
What you’ll need
You don't need to be a developer to set up this integration. Follow this simple guide to get started:
- A Shift4 merchant account
- A Relevance AI account with API access
- Authorization credentials (you'll connect securely using API keys—no sensitive info stored manually)
Security & Reliability
The Shift4 and Relevance AI integration utilizes secure OAuth authentication, ensuring that only authorized workflows can access your payment processing and customer management capabilities. Relevance AI manages API operations (such as creating charges, managing customers, and handling subscriptions) in the background—eliminating concerns about errors, formatting, or limits.
With built-in validation and tokenization, this integration guarantees that your payment processes are secure and efficient, even when dealing with varying data formats.
No training on your data
Your data remains private and is never utilized for model training purposes.
Security first
We never store anything we don’t need to. The inputs or outputs of your tools are never stored.

To get the most out of the Shift4 + Relevance AI integration without writing code:
- Start with a secure setup: Ensure your Shift4 account is properly configured with valid API credentials and OAuth access tokens.
- Utilize automated workflows: Leverage Relevance AI's automation features to streamline customer management and payment processing.
- Test payment flows: Use test cards and sandbox environments to validate your payment processes before going live.
- Monitor transactions: Implement real-time transaction monitoring to quickly identify and resolve issues.
- Handle errors gracefully: Implement robust error handling to manage authentication errors, invalid requests, and card validation failures.