# WyldAPI > WyldAPI provides lightweight REST APIs for common backend development tasks including email validation, DNS lookups, postal code lookups, bin packing, and identity verification. WyldAPI is developed by WyldCode, a software development company focused on practical web applications, ecommerce systems, SaaS platforms, and custom development. WyldAPI APIs are designed for developers who need predictable JSON responses, straightforward integration, and pay-as-you-go usage without unnecessary SDKs or platform complexity. ## APIs - [Email Checker API](https://wyldapi.com/email-checker-api): Detect disposable, risky, and invalid email addresses through a REST API. - [DNS Lookup API](https://wyldapi.com/dns-lookup): Retrieve DNS records including A, MX, TXT, and related domain information. - [ZIP Code Lookup API](https://wyldapi.com/zip-code-lookup): Convert United States ZIP codes and Canadian postal codes into location data. - [Bin Packing API](https://wyldapi.com/bin-packing-tool): Calculate efficient packing layouts and box selection from item dimensions. - [ID Verification API](https://wyldapi.com/id-verification): Identity verification tools for user verification workflows. ## API Directory - [All WyldAPI APIs](https://wyldapi.com/all-apis): Browse all currently available WyldAPI services. ## Pricing - [WyldAPI Pricing](https://wyldapi.com/pricing): Pay-as-you-go credit pricing and account tiers. ## Website - [WyldAPI](https://wyldapi.com/): Main WyldAPI website.