Question: I need an API to perform instant technology lookups, do you know of any?

For quick technology lookups, Wappalyzer is a great option. It can analyze the technology stack of any website, including CMS, ecommerce platforms and payment processors. With features like website profiling, lead generation, market research, competitor analysis and API access, it's used by thousands of professionals around the world. Wappalyzer tracks 5,126 web technologies across 103 categories and integrates with tools like Salesforce, HubSpot and Semrush, so it should be easy to integrate into your workflow.

Another good option is TechPeeker, which can quickly identify and analyze a website's technology stack. It offers detailed reports and uses proprietary algorithms to provide insights that can be useful to developers, digital marketers and technology planners. TechPeeker offers various plans depending on your needs, including the Basic Plan for 150 leads and the Pro Plan for 350 leads.

If you want to target specific websites, Simulai lets you search for and contact websites based on the technologies they use. It indexes more than 35 million websites with more than 3,000 technologies and offers tools to create targeted email campaigns. Simulai is good for businesses, startups and marketing agencies that want to improve the targeting of their outreach. It offers a Pro Plan at $250/month with unlimited campaigns, along with a free trial.

If you want an all-purpose API, SingleAPI can turn any website into an API in a few seconds using GPT-4 technology. It can handle a variety of data formats, real-time webhooks and data enrichment tools. SingleAPI offers pricing levels from free to enterprise, so it's a good option for everything from casual use to heavy-duty applications.