| Price from | $13/mo | €0.04/mo |
| Free plan | Yes | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | Yes |
| Plans published | 5 | 19 |
| Spec score · Transactional SMS Software | 9.0 (#5) | 8.3 (#22) |
| API | Mailchimp exposes open Marketing and Transactional APIs authenticated with OAuth or API keys. | The SMS Gateway supports HTTP(S) GET/POST, SOAP/WSDL, JSON and BULK integration methods. |
| Founded | 2001 | 2008 |
| Headquarters | Atlanta, USA | Baia Mare, Maramures, Romania |
| Integrations | Mailchimp advertises more than 300 integrations, including Shopify, WooCommerce, Canva, Zapier, Salesforce, WordPress, Stripe and QuickBooks Online. | The maker lists eCommerce plugins and integrations including WooCommerce, Magento, PrestaShop, OpenCart, Shopify, Zapier, Microsoft Power Automate, Make, UiPath and RapidAPI. |
| Support | Official feature pages state 24/7 service and support, with onboarding specialists and customer-success services for paid customers. | The provider advertises technical support 24 hours a day, 365 days a year by email and telephone. |
| What it does | Mailchimp is an email and marketing-automation platform for growing businesses, combining email, social, landing pages, advertising and AI recommendations. | SMSLink is an online SaaS platform combining SMS marketing, Mail to SMS, SMS Gateway, SMS alerts, two-way SMS and SMS connectors. |
