Twilio SendGrid Mail Send API SLA
Twilio · Messaging · promises up to 99.99% · SLA of Apr 9, 2026 · checked 25h ago
No major outage in the last 365 days: 100% observed against the 99.99% Email Deliverability / Experts / Program Management / Strategy Gold packages.
Last 90 days: no major outage.
Incidents, last 365 days
Major outage time per month
Allowed per month: 4.4 min
Commitments and credits
TierUptimeCredit of the monthly bill
- StandardSendGrid Mail Send API99.95%below 99.95%: 10%
- Email Deliverability / Experts / Program Management / Strategy Gold packagesSendGrid Mail Send API in months those packages are purchased99.99%below 99.99%: 10%
More in messaging
ServicePromisedFirst creditObserved 365dDowntime
Cloudflare QueuesCloudflare · Messaging · Enterprise99.9%First credit10%Observed 365d100%All incidents 99.984%
Confluent Cloud (Kafka clusters)Confluent · Messaging · Multi-zone (Standard 2 eCKU, Enterprise 2 eCKU, Dedicated multi-zone)99.99%First credit10%Observed 365d99.628%All incidents 97.169%
Twilio APIs (Twilio-branded APIs)Twilio · Messaging · Twilio Enterprise Edition (or Administration Edition bought before Oct 24, 2024)99.99%First credit10%Observed 365d100%All incidents 99.63%
Terms, exclusions and sources
- Measured
- Same formula as Twilio APIs; plus a Successful Connection Rate commitment (15,000 req/s Americas, 10,000 req/s elsewhere) for premium email packages
- Credit cap
- Single 10% credit tier
- Claim window
- Within thirty (30) days from the last day of the calendar month
- How to claim
- Ticket via https://support.sendgrid.com with subject 'SLA Claim'
- Not covered
- Factors outside Twilio's reasonable control, incl. telecom provider/carrier issues; Customer or third-party action or inaction; Scheduled maintenance with at least 24 hours' notice; Emergency maintenance; Alpha, beta, preview or limited-release APIs; Less than five minutes of continuous unavailability
- Status history
- Status history since Sep 22, 2025
- Weighted uptime
- All incidents, weighted: 99.63% · Downtime
SendGrid Services API during the calendar months in which Customer has purchased the Email Deliverability, Email Experts as a Service, Email Program Management, Email Program Management and Strategy, or Email Strategy - Gold package 99.99%
Failure to hit the Successful Connection Rate also earns a 10% credit for the premium packages.
Sources: each vendor's own SLA page (re-read monthly) and status page feed (read every Friday). A summary, not the contract: the contract you sign governs. Logos via logo.dev; trademarks belong to their owners.