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AWS End User Messaging vs MSG91

AWS End User Messaging and MSG91 are both SMS APIs, compared here on pricing, compliance, capabilities, and developer experience from structured, cited data - not reviews or paid placement. AWS End User Messaging offers a free tier while MSG91 does not, so AWS End User Messaging is easier to trial before committing. On compliance, MSG91 additionally documents GDPR. MSG91 supports webhooks for event-driven integration; the other does not document them.

Comparedby a transparent data-readiness score computed from each API's published, sourced fields. No reviews, no paid placement. How we rank.

Data last verified 2026-06-10, with every field cited on each profile.

Head-to-head, from published, cited fields (auto-generated; no paid placement)
FieldAWS End User MessagingMSG91
Starting price$0 push notification$0.0065 1 SMS
Pricing modelUsageUsage
Free tier✓✗
Self-serve signup✓✓
SOC 2Type IIType II
HIPAA··
GDPR·✓
Webhooks✗✓
Sandbox✓✗
Documented actions11218

Full data and citations: AWS End User Messaging · MSG91. See more SMS APIs.