Question: Can you recommend an API that helps validate and correct email addresses in real-time to improve user data quality?

For real-time validation and correction of email addresses, the RiteKit API Showcase is a good option. This API lets developers build web and mobile apps to improve email input and to handle problems like typos and disposable email addresses. It also can parse brand information from business email addresses for use in things like logos and brand colors.

Another good option is Mails.ai, an AI-powered cold email software that includes email verification as one of its abilities. It automates campaigns and tracks deliverability and engagement. Mails.ai offers a free plan with unlimited email accounts and email warmup, so it's a good option if you want to maximize outreach and improve email quality.

Snov.io also offers a range of sales engagement tools, including email verification and warm-up. It automates sales processes with an email finder, multichannel campaigns and a sales CRM, and integrates with more than 5,000 tools. It offers a free plan with 50 searches per month, so it's good for companies that want to streamline and optimize sales.

For a more sophisticated option, Instantly offers a deliverability network, bulk domain testing and email validation. It's geared for agencies, recruiters and entrepreneurs who want to optimize email outreach campaigns and increase sales conversion rates. Instantly has a variety of pricing tiers and features like unlimited email accounts and warmup, so it's a good option for improving email deliverability and quality.