Question: Is there a domain status API provider that offers customizable filtering options and IDNA and Unicode support?

If you're looking for a domain status API provider with customizable filtering options and IDNA and Unicode support, Domainr is a great choice. This API offers immediate domain name search results and suggestions, direct access to domain registry data, and comprehensive coverage of over 1757 top-level domains. It supports filtering by domain extension, registrar, location, or language and provides full IDNA and Unicode support. Domainr is built on Fastly's edge cloud platform for enterprise-grade performance, making it suitable for security companies, software supply chain managers, and others who need fast and reliable domain search capabilities.

Another excellent option is Host.io, an API-based system providing comprehensive domain name data. It delivers DNS details, scraped website content, outbound links, and hosting information for any domain. Host.io supports various use cases such as preventing spam and fraud, cybersecurity, and competitor analysis. The API is scalable and accessible through various pricing plans, including a free plan, making it easy for developers to integrate.

For those needing meta information and DNS records, URL Meta offers a range of APIs. The Meta API returns metadata like title, description, and DNS records, while the Screenshot API provides high-resolution PNG images of websites. The service is geared towards developers and apps that need meta information and DNS records for content aggregation, SEO analysis, and domain monitoring. URL Meta provides a free plan with 500 requests per month and a premium plan for $9 per month.

Lastly, Abstract offers a collection of APIs that can enhance interfaces and automate processes. While not specifically focused on domain status, Abstract includes APIs for geolocating IP addresses, company data enrichment, and other tasks. It emphasizes speed, reliability, and security, making it a versatile option for developers and businesses looking to improve their applications with accurate and reliable data.