Spryng SMS API

Spec sheet

What it does

Spryng provides business messaging services centered on SMS, with additional WhatsApp Business, RCS and voice offerings.Read 15 Oct 2026 · linkedin.com

Integrations

Spryng states that its SMS API is connected to more than 250 systems.Read 15 Oct 2026 · spryng.nl

Support

Spryng advertises free 24/7 support by email, chat and phone in English, Dutch, German and French.Read 15 Oct 2026 · spryng.de

Headquarters

Amsterdam, NetherlandsRead 4 Oct 2026 · spryng.com

Founded

LinkedIn states that Spryng was founded in 2006.Read 15 Oct 2026 · linkedin.com

Account structure

The portal supports main and sub-accounts with separate purchase-order billing.Read 15 Oct 2026 · spryng.nl

Acquisition facts

At acquisition, Commify said Spryng served more than 2,000 organisations, generated over €10 million in annual revenue and was growing more than 55% per year.Read 15 Oct 2026 · commify.com

API documentation

The help center has a REST API collection with seven developer articles covering implementation, IP whitelisting, secret keys, bearer tokens and whitelabeling.Read 15 Oct 2026 · help.spryngsms.com

Appointment reminders

Spryng markets SMS appointment reminders to reduce missed healthcare appointments.Read 15 Oct 2026 · spryng.nl

Authentication

The service supports SMS multi-factor authentication and one-time-password use cases.Read 15 Oct 2026 · spryng.nl

Company headquarters

LinkedIn lists Amsterdam, North Holland as headquarters.Read 15 Oct 2026 · linkedin.com

Company size

LinkedIn lists Spryng as a privately held telecommunications company with 11–50 employees.Read 15 Oct 2026 · linkedin.com

Delivery reliability

The product page claims zero downtime during the previous two years.Read 15 Oct 2026 · spryng.nl

Delivery reports

Delivery and receipt reports are available in the portal and can be used to track message outcomes.Read 15 Oct 2026 · spryng.nl

Direct routing

Spryng says messages are delivered directly to mobile operators using direct routes.Read 15 Oct 2026 · spryng.nl

Encryption

The security page says data is encrypted in transit with SSL certificates and at rest with disk encryption.Read 15 Oct 2026 · spryng.nl

Global reach

The SMS API is advertised as reaching more than 900 mobile networks worldwide.Read 15 Oct 2026 · spryng.nl

Licence

The published PHP package is licensed under BSD-2-Clause, so the SDK is open source even though the hosted SMS service is proprietary.Read 15 Oct 2026 · packagist.org

Limit: credit counting and phone support

One Trustpilot reviewer reported an out-of-service support phone, unclear credit consumption and charges as high as three credits per SMS until message settings were corrected.Read 15 Oct 2026 · trustpilot.com

Named integration

The integrations directory lists Auth0 as a ready-made connection.Read 15 Oct 2026 · spryng.nl

Node SDK

Spryng publishes a public Node.js SDK installable with npm or Yarn and configured with an API key.Read 15 Oct 2026 · github.com

Notable news

Spryng announced on 24 April 2025 that founder Marc Rottinghuis handed daily leadership to Naomi Vonk while remaining connected through Commify.Read 15 Oct 2026 · spryng.de

Ownership

Commify announced its acquisition of Spryng on 19 August 2021.Read 15 Oct 2026 · commify.com

PHP package activity

Packagist reports 334,569 installs, three GitHub stars and eleven open issues for the PHP package.Read 15 Oct 2026 · packagist.org

PHP SDK

Spryng publishes a public PHP REST library installable through Composer.Read 15 Oct 2026 · github.com

Portal access

Integrating the API includes free access to an online portal for message management and tracking.Read 15 Oct 2026 · spryng.nl

Praise: support and integration

Trustpilot reviewers repeatedly describe fast, helpful support, easy integrations, reliable delivery and reasonable pricing.Read 15 Oct 2026 · trustpilot.com

Pricing model

Pricing depends on message volume and destination, with prepaid and post-paid payment options and personalized volume discounts.Read 15 Oct 2026 · spryng.de

Rating on Trustpilot

4.9 out of 5 from 157 reviews.Read 15 Oct 2026 · trustpilot.com

REST API

Customers can send SMS globally through a single REST API.Read 15 Oct 2026 · spryng.nl

Retention controls

Customers can choose seven, 30 or 90 days of retention, or immediate deletion with a zero-day setting.Read 15 Oct 2026 · spryng.nl

SDK languages

Official product material names PHP, Ruby, Node, JavaScript and Java as supported development languages.Read 15 Oct 2026 · spryng.nl

Security certifications

Spryng states that it holds ISO 27001 and NEN 7510 certifications and is GDPR compatible.Read 15 Oct 2026 · spryng.nl

Two-way messaging

Two-way communication is supported through virtual mobile numbers or shortcodes.Read 15 Oct 2026 · spryng.nl

Plans and prices

Every Spryng SMS API plan and price →

Where Specifiction places it

• Transactional SMS Software#23 of 768.3