Fastly vs SendGrid (Twilio)
Edge cloud platform — CDN + compute + security + observability
vs. Legacy email infrastructure at scale — 100B+ emails/year
Pricing tiers
Fastly
Free Trial
Free allowances: 100 GB bandwidth, 1M CDN requests, 10M Edge Compute requests, 100M vCPU-ms, 500K DDoS requests.
Free
Pay-as-you-go
Usage-based rates with volume discounts. No minimum commitment.
$0 base (usage-based)
Basic Package
$1,500/month. 100M requests. Standard support.
$1500/mo
Starter Package
$6,000/month. 500M requests. Gold support.
$6000/mo
Advantage
Custom. 2B requests. Gold support.
Custom
Ultimate
Custom. 5B+ requests. Enterprise support.
Custom
SendGrid (Twilio)
Free Trial
100 emails/day for 60 days. After: upgrade required.
Free
Essentials — 50k
50,000 emails/month. 1 teammate. 2 event webhooks.
$20/mo
Essentials — 100k
100,000 emails/month.
$35/mo
Pro — 100k
100,000/mo. Dedicated IPs + subusers + email validation (2.5k). 1000 teammates. 5 webhooks.
$90/mo
Pro — 2.5M
2,500,000/mo. Same Pro features.
$449/mo
Premier (5M+)
Custom. SSO, custom overage rates, white-glove.
Custom
Free-tier quotas head-to-head
Comparing free on Fastly vs free-trial on SendGrid (Twilio).
| Metric | Fastly | SendGrid (Twilio) |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
Fastly · 16 features
- API Security — Schema validation + rate limiting.
- Bot Management — Behavioral bot detection + mitigation.
- CDN — Global Varnish-based CDN with VCL customization.
- Compute@Edge — Wasm-based serverless at 200+ POPs. Rust, JS, Go.
- DDoS Protection — Included on all plans.
- Fanout (WebSockets) — Persistent connection fan-out at edge.
- Image Optimization — On-the-fly resize/format/quality.
- Instant Purge — <150ms global cache invalidation.
- KV Store (Config) — Edge key-value store for config.
- Live Streaming — HLS + DASH live video delivery.
- Log Streaming — Real-time logs to S3, Datadog, Splunk, Azure, GCS, Kafka.
- Managed TLS — Automated cert issuance + renewal.
- Next-Gen WAF — Signal Sciences acquired — runtime app protection.
- Real-Time Analytics — Sub-second log streaming + metrics.
- Secret Store — Encrypted secrets at edge.
- Shield POP — Origin shield to reduce origin load.
SendGrid (Twilio) · 12 features
- Dedicated IPs — Auto IP warmup, multiple IP pools per brand/customer.
- Dynamic Templates — Handlebars-based with versioning + A/B testing on subject/content.
- Email API (v3) — REST + SMTP. Dozens of endpoints for mail, stats, templates, subusers.
- Email Validation — Verify email addresses before sending. Credits per check.
- Event Webhook — Raw stream of send/delivery/bounce/open/click/unsubscribe/spamreport events.
- Inbound Parse — Route incoming mail → your webhook. Attachments + spam score.
- Link Branding — Track links on your own domain for reputation.
- Marketing Campaigns — Separate UI for bulk promotional sends. Segmentation, A/B, automation.
- SAML SSO — Premier tier only. SAML 2.0 auth for account access.
- Stats + Reports — Aggregated + per-category + per-subuser delivery metrics.
- Subusers — Isolate multi-tenant sends. Each subuser has own stats + API key + reputation.
- Suppression Groups — Granular unsubscribe groups (newsletter vs billing, etc.).
Developer interfaces
| Kind | Fastly | SendGrid (Twilio) |
|---|---|---|
| CLI | Fastly CLI | — |
| SDK | compute-go-starter, compute-js-starter, compute-rust-starter | sendgrid-go, sendgrid-java, @sendgrid/mail, sendgrid-php, sendgrid-python, sendgrid-ruby |
| REST | Fastly API | SendGrid v3 API |
| OTHER | Compute@Edge (Wasm), VCL (Varnish) | Event Webhook, Inbound Parse Webhook, SMTP Relay |
Staxly is an independent catalog of developer platforms. Outbound links to Fastly and SendGrid (Twilio) are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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