PostalDataPI
Smarty
Melissa Data Quality
MailChimp
Brevo
GetResponse
Constant Contact
MailerLite
HubSpot
Campaign Monitor
ActiveCampaign
PostalDataPI is a global postal code validation and enrichment API covering 240+ countries and territories. One API, one key, one flat rate โ $0.000028 per query with no tiers or subscriptions.
What you get back: Up to 18 metadata fields per postal code โ city, state/region, coordinates, timezone, three levels of administrative hierarchy, elevation, and more. Sub-5ms cached responses.
Works everywhere: US ZIP codes, UK postcodes, German PLZ, Japanese postal codes, Canadian FSAs, and 230+ more. Format normalization handles case, spacing, and hyphen variations automatically.
Get started in 60 seconds: 1,000 free queries on signup, no credit card required. SDKs for Python and Node.js. MCP server for AI agents (Claude, Cursor, etc.).
Built for developers: REST API, consistent JSON responses across all countries, OpenAPI spec, llms.txt for AI agent discovery.
PostalDataPI MailChimpMailChimp is recommended for small to medium-sized businesses, entrepreneurs, and non-profits who want a cost-effective solution for email marketing. It's also suitable for those new to email marketing who are looking for a simple yet powerful tool to reach their audience and grow their subscriber base.
Good for email marketing
It is most affordable marketing automation tool . It helps in all in one marketing platform that helps you manage and talk to your clients , customers and others.
Mailchimp has always been a good solution for sending campaign emails for e-commerce.
Based on our record, MailChimp seems to be more popular. It has been mentiond 91 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Use tools like Mailchimp or Klaviyo to send newsletters and promotional emails to your customers. This can help keep them engaged and encourage repeat purchases. - Source: dev.to / 9 months ago
Your website is the best place to build your most valuable marketing asset: your email list. By connecting your site to an email platform like Mailchimp or ConvertKit, you can set up automated messages that build real, lasting loyalty. - Source: dev.to / 12 months ago
Integrating with marketing tools like Mailchimp through Strapi's API ensures that user data is consistently updated and synchronized, enabling more effective and targeted marketing campaigns. Whenever a user updates their profile or makes a purchase, these changes are automatically reflected across all connected systems. Real-time synchronization helps e-learning platforms maintain accurate contact records,... - Source: dev.to / over 1 year ago
Mailchimp is a popular email marketing platform that offers features like customizable templates, A/B testing, and audience segmentation. This can preferred by teams looking to automate their email workflows but also want a minimalist tool to streamline their marketing efforts. - Source: dev.to / almost 2 years ago
Have you ever wondered how email marketing platforms like Mailchimp, BestRegards, and HubSpot manage to send hundreds or even thousands of emails from your custom domain in just secondsโwithout flooding your inbox?. - Source: dev.to / almost 2 years ago
Smarty - Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
Brevo - Innovative online Email Marketing solution to manage your contacts, create & send your newsletters and track your results. More than 80 000 clients. Best prices and attractive features.
Melissa Data Quality - Melissa helps companies to harness Big Data, legacy data, and people data (names, addresses, phone numbers, and emails).
GetResponse - Email marketing from GetResponse. Send email newsletters, campaigns, online surveys and follow-up autoresponders. Simple, easy interface. FREE sign up.