SV Premium

SMS / OTP verification

Prelude

French verification API charging per verification with SMS passed through at carrier cost; EU-hosted.

Prelude hosts verification in the EU. At 10,000 verifications a month, it charges €0.032 each plus messages at carrier cost, listed as €0.0043 for a US SMS. Higher volumes have lower verification rates. The €360/month Startup plan adds a custom sender ID and advanced anti-fraud features. We found no public DPA; ask for one if your requirements call for it.

Headquarters
🇫🇷 France
Parent jurisdiction
🇫🇷 France
EU self-serve plan
Available; check eligible plans and regions
GDPR DPA
No / not documented
Billing
payg
Open source
No
Website
prelude.so
Source last checked
2026-10-06
Pricing evidence
Published rates

Pricing

Calculated from the listed vendor rates; exclusions still apply. How to read these estimates.

Successful verification feeUS SMS segment
$0.0358$0.0048
Allowances, plan limits & calculation details

Rates are shown at their recorded precision. A zero means no charge in this calculation; the vendor may charge for things we leave out. See the notes for usage assumptions and currency conversions.

Base fee / month
$0
Successful verification fee
$0.0358
US SMS segment
$0.0048

Pay As You Go: €0.032 per verification (price shown at 10k verifications/month; the slider lowers it at volume) plus message costs at carrier cost with no markup: US SMS €0.0043. Converted at 1.12 USD/EUR. Startup plan €360/month adds custom sender ID and advanced anti-fraud; Enterprise is custom. Prelude says it is built and hosted in Europe; no public DPA found.

Managed alternatives

At 100K verifications / month, US numbers. Adjust usage and requirements.

Prelude: $48,720/yr estimated.

The price difference leaves out migration costs, operating costs and any features you’d need to replace.

Compare Prelude

Found a wrong rate or plan restriction? Report a correction with a current source.