Engineering and API guides for developers and global teams building with business data and email-validation APIs.
Explore ParheliaWeb Business Data & Email Validation APIs →A developer's guide to choosing an email validation API when your sending reputation is starting from zero in a new market. Includes an 8-point 出海 checklist and provider comparison.
11 min read Explore the Email Validation API →Acquisitions are one of the loudest business signals there is — if you can catch them early. Here is how we turned scattered M&A news into a clean, queryable API.
7 min read Explore the Acquisitions API →Chinese companies expanding globally need Western data APIs, but they hit a wall at the checkout page. Here's how we built a fully localized payment flow with FastAPI.
7 min read See the platform for global teams →Why building your own pipeline for acquisitions and alternative business data usually ends in broken selectors, blocked IPs, and stale data.
7 min read Review our data methodology →How a request from a friend to fix email bounces turned into a full Python API. The real story behind our email validator.
6 min read Explore the Email Validation API →Build a Python scraper vs. using a structured API — with working code examples and a clear decision framework.
6 min read Explore the Funding API →