RAPID SMTP vs SendGrid
SendGrid (now Twilio SendGrid) is a US-based transactional and marketing email API. RAPID SMTP is a bring-your-own-SMTP campaign manager built for Bangladesh. Here is how they compare.
Published January 15, 2026 · By RAPID SMTP
SendGrid (now Twilio SendGrid) is a US-based transactional and marketing email API. RAPID SMTP is a bring-your-own-SMTP campaign manager built for Bangladesh. Here is how they compare.
Side-by-side comparison
| RAPID SMTP | SendGrid | |
|---|---|---|
| Setup time | 2 minutes — paste any SMTP credentials | Account approval can take days |
| Pricing | Flat ৳59–৳1,649/month, no per-email fee | $19.95–$899+/month per recipient tier |
| Free tier | Free plan — 1 SMTP, 500 contacts | 100 emails/day free, then paid |
| Bring your own SMTP | Yes — any SMTP host | No — locked to SendGrid IPs |
| Campaign manager | Full campaign manager with scheduling | Marketing Campaigns add-on (extra cost) |
| Open & click tracking | Open + click tracking included | Yes |
| API | REST + SMTP relay | REST + SMTP |
| Region & billing | Bangladesh-hosted, BDT billing | US, billing in USD only |
Where RAPID SMTP wins
- Use any SMTP you already pay for (Gmail, SES, Mailgun) — keep your sender reputation.
- Flat BDT pricing, no surprise overage bills.
- Local support in Bengali and English.
Where SendGrid wins
- SendGrid has bigger US-side IP warm-up tooling for enterprise senders >5M/month.
- SendGrid bundles inbound parse webhooks; RAPID SMTP focuses on outbound.
Verdict
If you already have an SMTP provider (Gmail, SES, Mailgun) and want a clean campaign manager priced in BDT, RAPID SMTP wins on cost and onboarding. SendGrid is better if you need a fully hosted US email API with inbound parsing.
Other comparisons
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