PostalDataPI
Ideal postcodes
Fetchify
Smarty
Data8 UK
ZIP Code API
Data8 UK PredictiveAddress
Email Verification API
Azure Multi-Factor Authentication
Google Authenticator
Authy
Duo Security
Lastpass
AuthPoint Multi-Factor Authentication
Auth0
Ping Identity
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
Azure Multi-Factor AuthenticationAzure Multi-Factor Authentication is recommended for organizations using Microsoft's cloud services, such as Azure and Office 365, as well as for businesses that prioritize security and need to protect sensitive information and access against unauthorized use. It is particularly suited for enterprises that require a scalable and versatile MFA solution.
Based on our record, Azure Multi-Factor Authentication 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.
This is the answer, more detail: https://docs.microsoft.com/en-us/azure/active-directory/authentication/concept-mfa-howitworks. Source: over 4 years ago
Make sure that you back-up the active app-configuration, this way you have an easier way to recover; make sure you are allowed to verify using more than an authenticator, more here. Source: about 5 years ago
Ideal postcodes - We help businesses improve UX and data quality with a cutting edge address validation service.
Google Authenticator - Google Authenticator is a multifactor app for mobile devices.
Fetchify - Fetchify delivers fast, accurate address, email, phone and bank validation tools that help businesses capture clean, verified customer data, reduce failed deliveries and improve checkout experiences worldwide.
Authy - Best rated Two-Factor Authentication smartphone app for consumers, simplest 2fa Rest API for developers and a strong authentication platform for the enterprise.
Smarty - Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
Duo Security - Duo Security provides cloud-based two-factor authentication. Duoโs technology can be deployed to protect users, data, and applications from breaches, credential theft, and account takeover.