API archive entry · source-reported
RegisterWire
Real-time alerts on UK company register changes
Other Business APIs
These records share a directory category and are ordered by similarity of reported access facts. They are a shortlist, not proof of drop-in compatibility.
TrendsAGI
Trending topic volume, velocity and growth with AI insights; free plan of 100 calls/day
API key · HTTPS reported · CORS No
RunDossier
Pre-meeting briefing on a person from public professional and web sources, as JSON
API key · HTTPS reported · CORS No
gstinapi
Verify Indian GST numbers (GSTIN): legal name, status, address and return filing history; free tier
API key · HTTPS reported · CORS No
Katalis
UK company checks: payment practices, contracts won, registers, filed accounts, change feed
API key · HTTPS reported · CORS No
PeopleSearch
People and company search in plain English, with verified work emails and email verification
API key · HTTPS reported · CORS No
Clientsbee
Free leads for bussiness and technographics data
API key · HTTPS reported · CORS No
How to compare them
Coverage
Compare exact endpoints, fields, geography, history, and update frequency.
Operating cost
Model request volume, caching, overages, support, and migration cost.
Integration risk
Test auth, errors, pagination, latency, versioning, and outage behavior.
Data rights
Review attribution, redistribution, retention, privacy, and commercial-use terms.
Source reference
This page separates source-reported facts from questions that need live provider verification.