Freedom251 › SMS Gateway Software
ASPSMS

What ASPSMS is
ASPSMS adds SMS messaging to business software and web applications, with delivery to more than 200 countries and 900 mobile networks. It supports text, binary, Unicode, and concatenated SMS, along with bulk and personalized bulk messages, sender originators, and real-time delivery notifications. Two-way messaging, inbound SMS, delivery reports, and API access are available. Interfaces include REST/JSON, SOAP, HTTP, SMTP/email-to-SMS, ActiveX, and XML.
The service lists workflow integrations with Zapier, Microsoft Power Automate, and Make. Its JSON API includes ASPTOKEN, which ASPSMS describes as a two-factor authentication method. Listed uses include CRM and ERP integration, SMS marketing, alerts, and authentication. ASPSMS offers a free trial but no free plan. Credits are sold as one-time purchases and do not expire: 500 credits cost 30.00 EUR upfront, while 100’000 credits cost 4’000.00 EUR upfront. The company was founded in 1995 and is headquartered in St. Gallen, Switzerland. Downloads include SMS Blaster WinLog for Windows, an ASPSMS Widget for Mac, and an SMS app for iPhone and iPod touch. The legacy SMS Blaster client supports text SMS up to 160 characters.
Who it suits
ASPSMS suits businesses adding SMS delivery to software or web applications, including CRM and ERP workflows, marketing, alerts, and two-factor authentication.
What it does well
- Supports delivery to more than 200 countries and 900 mobile networks.
- Offers REST/JSON, SOAP, HTTP, SMTP, ActiveX, and XML interfaces.
- Credits do not expire.
- Free trial is available.
What to know first
- No free plan.
- Credits require one-time purchases, starting at 30.00 EUR upfront.
- Legacy SMS Blaster text messages are limited to 160 characters.
Limits
There is no free plan. The smallest listed purchase is 500 Credits for 30.00 EUR upfront; the legacy SMS Blaster client supports text SMS up to 160 characters.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| 25’000 Credits | 1’375.00 EUR upfront · 25’000 credits · 5.5 Eurocent per credit · You save: 125.00 EUR | €1,375, paid once |
| 2’500 Credits | 150.00 EUR upfront · 2’500 credits · 6 Eurocent per credit · credits do not expire | €150, paid once |
| 25,000 Credits | prepaid credits; credits do not expire · 25,000 credits · 8 Rp/credit | 2,000 CHF, paid once |
| 2,500 Credits | prepaid credits; credits do not expire · 2,500 credits · 9 Rp/credit | 225 CHF, paid once |
| 50’000 Credits | 2’250.00 EUR upfront · 50’000 credits · 4.5 Eurocent per credit · You save: 750.00 EUR | €2,250, paid once |
| 5’000 Credits | 300.00 EUR upfront · 5’000 credits · 6 Eurocent per credit · credits do not expire | €300, paid once |
| 75’000 Credits | 3’375.00 EUR upfront · 75’000 credits · 4.5 Eurocent per credit · You save: 1’125.00 EUR | €3,375, paid once |
| 50,000 Credits | prepaid credits; credits do not expire · 50,000 credits · 7 Rp/credit | 3,500 CHF, paid once |
The first 8 of 18 plans, as aspsms.com lists them, read 7 Oct 2026. The maker's own page has the final word. Every plan
Getting started
- Visit the ASPSMS website.
- Start with the free trial.
- Choose a one-time credit package, from 500 Credits to 100’000 Credits, or request a price for larger quantities.
- Connect through an available interface such as REST/JSON, SOAP, HTTP, SMTP/email-to-SMS, ActiveX or XML.
- Consider a listed workflow integration with Zapier, Microsoft Power Automate or Make.
Verdict
ASPSMS offers business SMS delivery through multiple interfaces and workflow integrations, with one-time credit purchases that do not expire. It has a free trial but no free plan; the legacy SMS Blaster client has a 160-character text limit.
Questions
Does ASPSMS offer a free plan or trial?
It has no free plan, but a free trial is available.
How much does ASPSMS cost?
The 500 Credits package costs 30.00 EUR once, billed 30.00 EUR upfront. Other listed packages range up to 100’000 Credits for 4’000.00 EUR upfront; larger quantities are priced on request.
Do purchased credits expire?
No. The listed credit packages do not expire.
Which APIs and interfaces are available?
ASPSMS lists REST/JSON, SOAP, HTTP, SMTP/email-to-SMS, ActiveX and XML interfaces.
Which workflow integrations does ASPSMS list?
It lists Zapier, Microsoft Power Automate and Make. Google apps, Slack, ChatGPT and PayPal are named among Zapier-connected services.
Where is ASPSMS based?
ASPSMS was founded in 1995 and is headquartered in St. Gallen, Switzerland.
Facts from ASPSMS's own pages
- 2FA and OTP
- ASPSMS provides ASPTOKEN for two-factor authentication and one-time-password workflows. · aspsms.com, 15 Oct 2026
- API
- The maintained WebAPI exposes sending, management, statistics, contacts, templates, groups and jobs through Swagger documentation. · aspsms.com, 15 Oct 2026
- APIs
- Interfaces include REST/JSON, SOAP, HTTP, SMTP/email-to-SMS, ActiveX and XML. · aspsms.com, 7 Oct 2026
- Business integrations
- The workflow material names Outlook, Gmail, Google and Outlook Calendar, Salesforce, Odoo, HubSpot, Dynamics 365, Zoho CRM, Zendesk, Pipedrive, Sheets, Excel, ChatGPT, PayPal, Slack, Bexio, Asana, Google Drive, Dropbox and SharePoint. · aspsms.com, 15 Oct 2026
- Company headquarters
- LinkedIn lists the headquarters in St. Gallen, Switzerland, at Katharinengasse 10. · ch.linkedin.com, 15 Oct 2026
- Company size
- LinkedIn lists VADIAN.NET AG as a privately held company with 11–50 employees. · ch.linkedin.com, 15 Oct 2026
- Coverage
- The service states coverage of more than 200 countries and over 900 mobile operators. · aspsms.com, 15 Oct 2026
- Data residency
- The company says customer data is stored exclusively in Switzerland at the Tier IV East Switzerland Data Center and is not routed or stored outside Switzerland. · aspsms.com, 15 Oct 2026
- Deferred delivery
- The API supports immediate sending and scheduled or deferred delivery times. · learn.microsoft.com, 15 Oct 2026
- Delivery reports
- Real-time delivery notifications and delivery-report webhooks are supported. · aspsms.com, 15 Oct 2026
- Founded
- VADIAN.NET AG is listed as founded in 1995. · ch.linkedin.com, 15 Oct 2026
- Free testing
- Registration is free and the vendor offers free test credits or a free proof-of-concept, but production SMS requires purchased credits. · aspsms.com, 15 Oct 2026
- Free trial
- New clients and developers can request free test SMS volumes. · aspsms.com, 7 Oct 2026
- GDPR and DPA
- ASPSMS states that its Swiss infrastructure meets GDPR requirements for EU/EEA SMS use and that a DPA can be arranged. · aspsms.com, 15 Oct 2026
- Geographic reach
- ASPSMS says it supports more than 200 countries and 900 mobile networks. · aspsms.com, 7 Oct 2026
- Headquarters
- St. Gallen, Switzerland · aspsms.com, 28 Sept 2026
- Independent SDK example
- A public GitHub Node.js gateway wrapper for ASPSMS is released under the MIT licence and includes delivery and non-delivery callback options. · github.com, 15 Oct 2026
- Integrations
- ASPSMS lists workflow integrations with Zapier, Microsoft Power Automate and Make, and names Google apps, Slack, ChatGPT and PayPal among Zapier-connected services. · aspsms.com, 7 Oct 2026
- Intended users
- The site describes use cases including business software, web applications, CRM and ERP integration, SMS marketing, alerts and two-factor authentication. · aspsms.com, 7 Oct 2026
- Legacy interfaces
- Legacy SOAP, XML, ActiveX, SMTP and simple HTTP interfaces remain operational but are no longer actively developed. · aspsms.com, 15 Oct 2026
- Limit: API throttling
- The Microsoft connector documents a limit of 100 API calls per connection per 60 seconds. · learn.microsoft.com, 15 Oct 2026
- Limit: Austria regulation
- Since 2 October 2026, messages to Austria automatically use a registered Austrian sender ID unless a separately approved sender ID is available. · aspsms.com, 15 Oct 2026
- Limit: delivery
- Undelivered SMS can result from invalid numbers, unreachable phones, operator filtering or country-specific regulatory blocks. · aspsms.com, 15 Oct 2026
- Limit: independent review evidence
- G2 and GetApp each show zero reviews, so no repeated independent reviewer praise or complaint pattern is available. · getapp.com, 15 Oct 2026
Where ASPSMS stands on Freedom251
- SMS Gateway Software#16 of 36