---
canonical: "https://www.softatlas.io/categories/developer-engineering/communication-apis"
name: "Communication APIs"
path: "Developer & Engineering / Communication APIs"
tool_count: 21
total_tool_count: 21
updated: "2026-10-01"
---

# Communication APIs

APIs developers use to send messages and embed real-time communication.

## Subcategories
- [Real-Time Video & Chat SDKs](/categories/developer-engineering/communication-apis/video-sdks-mrvt32vg.md)
- [Transactional Email APIs](/categories/developer-engineering/communication-apis/transactional-email.md)

## Tools in this category

Ranked by verified rating first among the 1 tool with at least 5 published reviews, then by the number of teams using the tool. A tool with fewer than 5 reviews is listed after those, ranked by adoption instead, never allowed to outrank a well-reviewed tool on the strength of a thin average. Fewer than 10 tools in this category currently clear that floor, so treat this as an early signal, not a mature ranking. Ratings come from professionals who verified a work email at the organization named in their review. Among the 21 vendor tools Soft Atlas tracks in this category, an entry marked "not yet rated on Soft Atlas" has no published review yet, it is listed, not scored as zero.

1. [Brevo](/brevo.md) , 3.8/5 from 5 reviews, 18 teams
2. [Mailjet](/mailjet.md) , not yet rated on Soft Atlas, 3 teams
3. [Filestack](/filestack.md) , not yet rated on Soft Atlas, 2 teams
4. [Resend](/resend.md) , not yet rated on Soft Atlas, 2 teams
5. [Twilio](/twilio-inc.md) , not yet rated on Soft Atlas, 2 teams
6. [Daily](/daily.md) , not yet rated on Soft Atlas, 1 teams
7. [SendGrid](/sendgrid.md) , not yet rated on Soft Atlas, 1 teams
8. [Stream](/stream.md) , not yet rated on Soft Atlas, 1 teams
9. [Vonage](/vonage.md) , not yet rated on Soft Atlas, 1 teams
10. [Bandwidth](/bandwidth.md) , not yet rated on Soft Atlas, 0 teams
11. [Bird](/bird.md) , not yet rated on Soft Atlas, 0 teams
12. [Hippo Video](/hippo-video.md) , not yet rated on Soft Atlas, 0 teams
13. [KrispCall](/krispcall.md) , not yet rated on Soft Atlas, 0 teams
14. [Mailgun](/mailgun.md) , not yet rated on Soft Atlas, 0 teams
15. [Mission Inbox](/mission-inbox.md) , not yet rated on Soft Atlas, 0 teams
16. [MoEngage](/moengage.md) , not yet rated on Soft Atlas, 0 teams
17. [Moosend](/moosend.md) , not yet rated on Soft Atlas, 0 teams
18. [Plivo](/plivo.md) , not yet rated on Soft Atlas, 0 teams
19. [Sinch](/sinch.md) , not yet rated on Soft Atlas, 0 teams
20. [Tencent Cloud](/tencent-cloud.md) , not yet rated on Soft Atlas, 0 teams
21. [VOCAL Technologies](/vocal-technologies.md) , not yet rated on Soft Atlas, 0 teams

Source: https://www.softatlas.io/categories/developer-engineering/communication-apis