SMS and messaging APIs · Comparison
AWS End User Messaging SMS vs Twilio Programmable Messaging
2 products compared side by side: what you pay for with each one first, then the five access facts, entry prices, recorded plan limits and the bottom line of each review. The evidence note under the table says how each product was checked.
Side by side
| Metric | AWS End User Messaging SMS | Twilio Programmable Messaging |
|---|---|---|
| What you're paying for | Compliance includedUS texting from your own AWS account, inside AWS’s SOC 2, ISO 27001 and HIPAA scope, with opt-outs, events and 10DLC registration as AWS APIs. | Compliance includedUS texting with every fee and the compliance paperwork on public pages, plus opt-outs and 10DLC registration handled through the API. |
| Overall score | 6.9 | 7.2Best |
| Free option | Paid only | 30-day free trial |
| Card to start | –Not measured | No card needed |
| Getting access | Approval wait | Self-serve |
| Starter priceCheapest paid plan | $0.00774/US SMS + carrier fee | $0.0083/SMS segment |
| Pricing model | Usage-based | Usage-based |
| Pricing page | Public prices | Public prices |
| US SMS rate (10DLC) | $0.00774 per message part, outbound; inbound $0.0075 | $0.0083 per segment, outbound or inbound |
| US carrier fees | One all-network fee: $0.00421 (10DLC, long code, toll-free) | Per carrier: AT&T $0.0035, T-Mobile $0.0045, Verizon $0.005 (outbound) |
| Local number | $1/mo (10DLC) | $1.15/mo |
| 10DLC registration fees | Brand $4.50, optional brand vetting $41.50, campaign $2/mo low-volume or $10/mo; no campaign vetting fee listed | Passed through: brand $4.50, campaign vetting $15, $1.50/mo low-volume mixed |
| Reference scenario (10,000 US texts/mo) | $122.88, computed | $130.61, computed |
| Free option | None for SMS; sandbox sends billed texts to up to 10 verified numbers | 30-day trial: 100 SMS to up to 5 verified numbers, no card |
| Volume discounts | None listed for SMS | Mentioned but not published; committed use by sales |
| SOC 2 / ISO 27001 | Listed in AWS SOC 1/2/3 and ISO 27001 scope | SOC 2 Type 2 (all services) and ISO 27001 |
| HIPAA BAA | HIPAA eligible under the AWS BAA (voice and WhatsApp excluded) | Yes, SMS eligible; needs Security or Enterprise Edition |
| Non-US data region | The AWS Region you pick, EU Regions included | Ireland (IE1) for SMS; no +1 numbers there |
| Opt-out handling | Automatic STOP/HELP by default; self-managed optional | Automatic STOP/HELP on long code and toll-free |
| SSO | SAML 2.0 through IAM Identity Center, no extra charge | SAML 2.0 in Twilio Editions, by sales |
| Bottom line | From its public pages, AWS End User Messaging SMS pairs a published US price with AWS’s compliance scope, and SSO and an audit log at no extra charge. There is no trial, production needs approval per Region, and technical support is a paid plan. | From its public pages, Twilio publishes every US fee and a full set of compliance documents for SMS, with opt-outs and 10DLC registration handled by the platform. Our scenario costs more than at Telnyx or AWS, volume tiers are not published, and a few pages disagree on fees. |
Evidence: AWS End User Messaging SMS: facts checked 2026-10-15 from its public sign-up and pricing pages, no completed hands-on run; Twilio Programmable Messaging: facts checked 2026-10-15 from its public sign-up and pricing pages, no completed hands-on run. Prices in USD as listed, excluding tax. "–" means not recorded.
When to pick each
In the words of each review, with the date its facts were checked.
From our AWS End User Messaging SMS review
Checked Oct 15, 2026- Pick AWS End User Messaging SMS when
- You run on AWS and want SSO through IAM Identity Center at no extra charge, with a lower scenario figure ($122.88 against $130.61 a month, computed).
- Pick Twilio Programmable Messaging when
- You want a free trial, web support for every account and carrier fees listed per carrier.
From our Twilio Programmable Messaging review
Checked Oct 15, 2026- Pick Twilio Programmable Messaging when
- You want a free trial, free web support for every account and carrier fees listed per carrier.
- Pick AWS End User Messaging SMS when
- You already run on AWS and want SSO through IAM Identity Center at no extra charge and SMS billed on your AWS invoice.
Entry price
Baseline: each product's cheapest paid plan, per month. Included usage differs, so read the line under each price.
- AWS End User Messaging SMSLowest price10DLC phone number$1/moPer number; charged while the registration is pending
- Brand registration $4.50 one-time; brand vetting $41.50 optional
- Campaign $2/mo low-volume or $10/mo regular
- $12.50 extra for public for-profit brands
- $50 T-Mobile campaign activation fee postponed until further notice
- Twilio Programmable MessagingLocal number (10DLC)$1.15/moPer leased long code; bring your own number $0.5/mo
- 10DLC fees passed through at cost: brand $4.50, campaign vetting $15
- Low-volume mixed campaign $1.50/mo; standard campaign $10/mo
Prices as listed on each pricing page, in USD per month, excluding tax. Observed: AWS End User Messaging SMS 2026-10-15, Twilio Programmable Messaging 2026-10-15.
Which one fits
- If you need to start today without a sales call
- Twilio Programmable MessagingSelf-serve sign-up, no card needed; the only one here you can use right after signing up.
- If you want to try it without entering a card
- Twilio Programmable Messaging30-day free trial, no card needed; scored 7.2/10.
- Lowest starter price
- AWS End User Messaging SMS$0.00774/US SMS + carrier fee for the Pay as you go plan.
- Highest overall score
- Twilio Programmable Messaging7.2/10 (Good). The review shows the score breakdown and the run behind it.
Picked by fixed rules from the table above, not by hand. How we score
Full reviews
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