Telnyx SMS vs Vonage SMS API pricing

Verified 2026-10-24 (1 day ago)Source: Telnyx SMS: telnyx.com/pricing/messaging, Vonage SMS API: www.vonage.com/communications-apis/sms/pricing/Verified shows the older of the two.

Monthly cost at three volumes

Monthly cost of Telnyx SMS and Vonage SMS API at three volumes and at your own
Volume	Telnyx SMS	Vonage SMS API
small1K sms sent	$4 / moPay As You Go	$8.60 / moVirtual Phone Number
growing10K sms sent	$40 / moPay As You Go	$86 / moVirtual Phone Number
scale100K sms sent	$400 / moPay As You Go	$860 / moVirtual Phone Number
your volumeset above	$40 / moPay As You Go	$86 / moVirtual Phone Number

Each cell is the cheapest feasible plan, or the chosen model, at that volume, from the shared Overage cost function. "Cheapest model" only considers models with both an input and an output price listed. Volumes are example scenarios you can edit.

Tiers, aligned by position

Tiers of Telnyx SMS and Vonage SMS API aligned by position: free, entry, mid, top
Position	Telnyx SMS	Vonage SMS API
Free	$0 base + usagePay As You Go	no tier
Entry	no tier	unlistedVirtual Phone Number
Mid	no tier	unlistedToll Free Number
Top	no tier	unlistedShort Code

Tightest rate limit

Tightest documented rate limit of each service
Measure	Telnyx SMS	Vonage SMS API
Tightest limit	unlisted	unlisted

Changes in the last 90 days

No changes recorded.

No change detected for either service in the last 90 days.