Communication APIs & UCaaS rankings

The top companies, scored the same way on whether AI agents can read, place, trust and act with them. How we rank

One quick check that you're a person, then we'll search.

Red under 36, Amber from 36. Green is 70 or more with no section held below Green.

Rank	Company	Score
1	JetEmail Held below Green because your homepage's Organization markup is too thin: add a description, at least three official profiles (sameAs) and three of contact, address, legal name, founding date and related organizations.	89
2	E-World Communication	68
3	Best VoIP Business Phone Service in North Carolina	63
4	VocPhone	62
5 tied	Die Schweizer Business Messaging Plattform	59
5 tied	Transactional Email API Service For Developers \| Mailgun	59
7	imo.im	59
8	UComtel	57
9	Authenticalls	56
10	Talking Platforms USA	55

68 companies measured in Communication APIs & UCaaS: 0 Green · 21 Amber · 45 Red · 2 Unreachable

How we rank

Every company gets the same checks on its public website, scored 0 to 100. We name the top 25 (the top 10 in a narrow view) and any company you search for. Scores as of 27 October 2026. How we score and rank.