Best Unified APIs for Mailchimp

Compare the Top Unified APIs that integrate with Mailchimp as of December 2025

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This a list of Unified APIs that integrate with Mailchimp. Use the filters on the left to add additional filters for products that have integrations with Mailchimp. View the products that work with Mailchimp in the table below.

What are Unified APIs for Mailchimp?

Unified APIs are a type of application programming interface (API) that allow companies and organizations to integrate multiple services into one convenient platform. Unified APIs provide developers with a comprehensive set of tools and resources that can be used to build, maintain, and manage custom applications. These APIs enable users to access information from several different sources in one place in order to improve the efficiency of their workflows. Unified APIs also provide users with the ability to communicate between different applications and services, making it easier for developers to create complex interconnected systems. Finally, unified APIs enable the use of powerful analytics tools for more accurate decision-making based on data stored in multiple systems. Compare and read user reviews of the best Unified APIs for Mailchimp currently available using the table below. This list is updated regularly.

1

Apideck

Apideck

Apideck eliminates the complexity of integrations with a single real-time API that connects to 135+ platforms across CRM, Accounting, HRIS, File Storage, and eCommerce without the technical overhead. Instead of spending months building and maintaining multiple integrations, SaaS companies go to market 98% faster while we take care of maintenance, versioning, and infrastructure. Our platform lets you focus on business growth while we handle the integrations, so you can launch faster, cut costs, and scale without limits. Why leading SaaS teams choose Apideck: ✅ One platform, unlimited integrations – No need to build or maintain separate integrations. ✅ Real-time data – No caching means instant, up-to-date information. ✅ Flexible, cost-effective pricing – API call-based, so you only pay for what you use. ✅ Enterprise-grade security – GDPR & SOC2 Type 2 compliant. ✅ Mission-critical reliability – 99.8% uptime SLA with 24/7 support.

2 Ratings

Starting Price: €299

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2

Truto

Truto

Truto is built to be declarative from the ground up. You can add new and customize every existing Integration and Unified API that we provide. Play around with the product without having to plug in your real accounts. We provide sandbox accounts for all the integrations that we support. We believe that the best developer experience is achieved by hand-crafting SDKs. We understand how frustrating it is when the API and documentation differ like oranges and apples. Truto offers options to store data in a region of your choice. Push data from third-party APIs directly to your database. Truto offers support for vector databases too. With self-hosting options, data will never leave your virtual private cloud. With advanced user management, control access for team members.

Starting Price: $125 per month

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3

Vessel

Vessel

Our developer-first platform is flexible enough to power all of your customer-facing integrations. Vessel regularly handles terabytes of data and billions of API calls. Vessel is proud to be SOC2 compliant, demonstrating our commitment to maintaining the highest level of security and trust in our operations. Data is encrypted in transit and at rest using industry-standard encryption protocols.

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4

Tray.ai

Tray.ai

Tray.ai is an API integration platform that allows users to innovate, integrate, and automate organization with no developer resources needed. Tray.io enables users to connect their entire cloud stack on their own. With Tray.ai, users can easily build and streamline processes with a specifically designed visual workflow editor. Tray.io also empowers the users' workforce with automated processes. The intelligence powering the first iPaaS that everyone can use to complete business processes using natural language instructions. Tray.ai is a low-code automation platform designed for both non-technical and technical users to create sophisticated workflow automations that facilitate efficient data movement and actions across multiple applications. Our low-code builder and new Merlin AI transform the automation process by bringing together the power of flexible, scalable automation; support for advanced business logic; and native generative AI capabilities that anyone can use.

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5

Primer

Primer

Connect your favorite payment and commerce services, create beautiful customer journeys and expand into new markets fast, with one unified infrastructure. Drive more revenue with sophisticated, end-to-end workflows. Build brilliant customer journeys and keep customers happy with limitless payment options and commerce services. Integrate Primer once to boost your payment success forever. Create your own payment experience, then track and manage everything seamlessly across your payment processors. Add as many payment methods as you need in minutes and choose how, where and when customers see them at checkout. No compromises, our unified API and suite of tools optimize payments, no matter which processor you use. Unlimited apps and integrations to grow your payment and commerce stack. Smash your goals with a clear source of truth across your entire stack. Track and manage payments, reporting, and everything, from one beautiful dashboard.

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6

Unified.to

Unified.to

Ship the integrations your customers and prospects need now and watch your revenue soar, without compromising your core product. Deliver secure, deep and powerful integrations for all kinds of use cases with advanced observability and security features. We never store your customers' data, plus, you can even securely store your customers' OAUTH2 access tokens in your AWS Secrets Manager account. Keep your customers' credentials secure with OAUTH2 authentication while giving your customers full control to revoke access tokens anytime. Take charge of branding and security by using your OAUTH2 client IDS and secrets, giving your application full autonomy over authorization pages and access tokens. Skip the headache of juggling different APIs and complex data transformations. Simplify your integration process with one API and one data model.

Starting Price: $250 per month

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