
PostalDataPI
Smarty
Melissa Data Quality
LiveChat
Intercom
tawk.to
Freshdesk
LiveAgent
Tidio
Zendesk
Crisp Chat
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
LiveChatLiveChat is highly recommended for businesses of all sizes that wish to improve their customer support operations. It's particularly beneficial for eCommerce platforms, SMEs, and large enterprises looking to increase sales through enhanced customer communication and support.
Based on our record, LiveChat seems to be more popular. It has been mentiond 2 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.
Some of it is going to depend on your budget and needs. Many (most?) livechat providers offer WP functionality. For example, livechat.com has a free WP plugin to offer livechat on WP sites:. Source: about 4 years ago
I am free to use any existing library or whatnot, what I was wondering is how easy it is to implement and deploy. I'm not being asked to build a full live chat from scratch, just try and implement a solution that won't add monthly charges to the predicted monthly cost of the website (ie pre-made solutions such as livechat.com that would cost atleast $16/mo). Source: over 5 years ago
Smarty - Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Melissa Data Quality - Melissa helps companies to harness Big Data, legacy data, and people data (names, addresses, phone numbers, and emails).
tawk.to - tawk.to is a free live chat app that lets you monitor and chat with visitors on your website or from a free customizable page