SMS and messaging APIs · Comparison

AWS End User Messaging SMS vs Telnyx Messaging API vs Twilio Programmable Messaging

3 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

AWS End User Messaging SMS vs Telnyx Messaging API vs Twilio Programmable Messaging: value, access facts, plan limits and bottom lines
MetricAWS End User Messaging SMSTelnyx Messaging APITwilio Programmable Messaging
What you're paying forCompliance 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.Worth the priceUS texting at $0.004 a part, the lowest published rate in this group, with carrier and 10DLC fees passed through at cost and every messaging rate public.Compliance includedUS texting with every fee and the compliance paperwork on public pages, plus opt-outs and 10DLC registration handled through the API.
Overall score6.98.2Best7.2
Free optionPaid onlyFree trial30-day free trial
Card to start–Not measuredNo card neededNo card needed
Getting accessApproval waitSelf-serveSelf-serve
Starter priceCheapest paid plan$0.00774/US SMS + carrier fee$0.004/SMS part$0.0083/SMS segment
Pricing modelUsage-basedUsage-basedUsage-based
Pricing pagePublic pricesPublic pricesPublic prices
US SMS rate (10DLC)$0.00774 per message part, outbound; inbound $0.0075$0.004 per part, outbound or inbound$0.0083 per segment, outbound or inbound
US carrier feesOne all-network fee: $0.00421 (10DLC, long code, toll-free)Per carrier, no markup: AT&T $0.0035, T-Mobile $0.0045, Verizon $0.0045 (outbound)Per carrier: AT&T $0.0035, T-Mobile $0.0045, Verizon $0.005 (outbound)
Local number$1/mo (10DLC)$1.00/mo plus $0.10/mo for SMS and MMS$1.15/mo
10DLC registration feesBrand $4.50, optional brand vetting $41.50, campaign $2/mo low-volume or $10/mo; no campaign vetting fee listedPassed through: brand $4.50, campaign review $15, $1.50/mo low-volume mixedPassed through: brand $4.50, campaign vetting $15, $1.50/mo low-volume mixed
Reference scenario (10,000 US texts/mo)$122.88, computed$85.89, computed$130.61, computed
Free optionNone for SMS; sandbox sends billed texts to up to 10 verified numbers$5 testing credit after a fraud review, no card; texts only to your own verified number30-day trial: 100 SMS to up to 5 verified numbers, no card
Volume discountsNone listed for SMSPublished tiers, from 100M parts/mo on local numbersMentioned but not published; committed use by sales
SOC 2 / ISO 27001Listed in AWS SOC 1/2/3 and ISO 27001 scopeSOC 2 Type 1 and Type 2; ISO 27001:2013 (scope not stated)SOC 2 Type 2 (all services) and ISO 27001
HIPAA BAAHIPAA eligible under the AWS BAA (voice and WhatsApp excluded)Yes, US messaging traffic only; rate sheet lists $2,500/moYes, SMS eligible; needs Security or Enterprise Edition
Non-US data regionThe AWS Region you pick, EU Regions includedEU (Germany), Australia, UAE or Canada, chosen onceIreland (IE1) for SMS; no +1 numbers there
Opt-out handlingAutomatic STOP/HELP by default; self-managed optionalAutomatic STOP and similar keywords; AI detection $0.002 per messageAutomatic STOP/HELP on long code and toll-free
SSOSAML 2.0 through IAM Identity Center, no extra chargeSAML through Organizations; no plan gate statedSAML 2.0 in Twilio Editions, by sales
Bottom lineFrom 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, Telnyx has the lowest published US rate and scenario figure in this group, with every fee itemized and passed through at cost. US 10DLC needs the Verified tier with KYC, the trial is narrow, and several pages disagree on fees and plans.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; Telnyx Messaging API: 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.

  • 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.
  • Pick AWS End User Messaging SMS when
    You want the DPA built into the terms and SMS inside the compliance scope of the AWS account you already use.
    Pick Telnyx Messaging API when
    Price leads: $0.004 per part puts our scenario at $85.89 a month, with a $5 trial credit and support for every account.
  • Pick Telnyx Messaging API when
    Price leads: our scenario is $85.89 a month against $130.61, with published volume tiers and SSO without a sales step.
    Pick Twilio Programmable Messaging when
    You want a DPA built into the terms and SOC 2 Type 2 stated for all services, and can pay more per text.
  • Pick Telnyx Messaging API when
    You want trial credit, carrier fees per carrier, support without a paid plan and a lower scenario figure ($85.89 against $122.88).
    Pick AWS End User Messaging SMS when
    You already run on AWS and want the BAA, DPA and CloudTrail under your AWS account, with SMS on your AWS invoice.
  • Pick Twilio Programmable Messaging when
    You want a DPA built into the terms, and SOC 2 Type 2 and ISO 27001 with their scope stated on the security overview.
    Pick Telnyx Messaging API when
    Price leads: $0.004 per part puts our scenario at $85.89 a month, with a $5 trial credit and published volume tiers.
  • 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 price
    10DLC phone number
    $1/mo
    Per 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
  • Telnyx Messaging API
    Local number (10DLC)
    $1.10/mo
    $1/mo per local number plus $0.10/mo to add SMS and MMS; no setup fee listed
    • 10DLC fees passed through at cost: brand $4.50, campaign review $15
    • Low-volume mixed campaign $1.50/mo; standard campaign $10/mo
  • Twilio Programmable Messaging
    Local number (10DLC)
    $1.15/mo
    Per 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, Telnyx Messaging API 2026-10-15, Twilio Programmable Messaging 2026-10-15.

Which one fits

If you need to start today without a sales call
Telnyx Messaging APISelf-serve sign-up, no card needed; the highest score of the 2 self-serve products here (8.2/10).
If you want to try it without entering a card
Telnyx Messaging APIFree trial, no card needed, and the highest score of the 2 that skip the card (8.2/10).
Lowest starter price
AWS End User Messaging SMS$0.00774/US SMS + carrier fee for the Pay as you go plan.
Highest overall score
Telnyx Messaging API8.2/10 (Excellent). 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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