{"id":123611,"date":"2026-05-14T09:58:09","date_gmt":"2026-05-14T07:58:09","guid":{"rendered":"https:\/\/actio.pl\/?p=123611"},"modified":"2026-06-03T13:00:02","modified_gmt":"2026-06-03T11:00:02","slug":"sms-api","status":"publish","type":"post","link":"https:\/\/actio.pl\/en\/blog\/2026\/05\/14\/sms-api\/","title":{"rendered":"SMS API for Developers &#8211; SMS Gateway with 100 Free Messages to Get You Started"},"content":{"rendered":"\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-1f26014c wp-block-group-is-layout-flex\">\n<p><strong>SMS API for Developers \u2013 SMS Gateway | 100 free SMS for tests<\/strong><\/p>\n<p><strong>Integrate SMS sending in your app in minutes. Actio SMS API: REST, JSON, verification codes, notifications. 100 SMS to start with \u2014 no credit card required.<\/strong><\/p>\n<p><strong>SMS integration in your application &#8211; simple, fast, reliable<\/strong><\/p>\n<p><strong>Are you building a notification system, two-factor authentication (2FA) or automatic alerts for customers? Actio&#8217;s SMS API is an SMS gateway ready to be integrated in a dozen or so minutes \u2014 with documentation in Polish and 100 free messages to start with, without a credit card.<\/strong><\/p>\n<p><strong>What is SMS API?<\/strong><\/p>\n<p><strong>An SMS API (Application Programming Interface) is an interface that allows your application, CRM, e-commerce platform, or backend script to send and receive SMS programmatically\u2014no panel, no clicking, fully automatic.<\/strong><\/p>\n<p><strong>Instead of handling messages manually, your code sends a single HTTP request and within seconds the SMS reaches the recipient.<\/strong><\/p>\n<p><strong>Typical uses of SMS API:<\/strong><\/p>\n<table width=\"577\">\n<thead>\n<tr>\n<td>\n<p><strong>Use case<\/strong><\/p>\n<\/td>\n<td>\n<p><strong>Example<\/strong><\/p>\n<\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\n<p><strong>2FA Verification<\/strong><\/p>\n<\/td>\n<td>\n<p><strong>OTP code at login or payment<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><strong>Transaction notifications<\/strong><\/p>\n<\/td>\n<td>\n<p><strong>&#8220;Your order has been shipped&#8221;<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><strong>System alerts<\/strong><\/p>\n<\/td>\n<td>\n<p><strong>Server monitoring, outage alert<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><strong>Mass SMS<\/strong><\/p>\n<\/td>\n<td>\n<p><strong>Campaigns, reminders, SMS newsletter<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><strong>SMS automation<\/strong><\/p>\n<\/td>\n<td>\n<p><strong>User onboarding, drip SMS<\/strong><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>REST API + JSON &#8211; zero exotic protocols<\/strong><\/p>\n<p><strong>Our SMS API is based on standard REST with JSON format. If you know how to do a curl or fetch, you&#8217;re ready to integrate. No binary protocols, no SOAPs.<\/strong><\/p>\n<p><strong>curl -X POST https:\/\/msg-api.actio.pl\/api\/sms \\<\/strong><\/p>\n<p><strong>-H &#8220;Authorization: Bearer TWOJ_TOKEN&#8221; \\<\/strong><\/p>\n<p><strong>-H &#8220;Content-Type: application\/json&#8221; \\<\/strong><\/p>\n<p><strong>-d &#8216;{<\/strong><\/p>\n<p><strong>&#8220;from&#8221;: &#8220;48732129000&#8221;,<\/strong><\/p>\n<p><strong>&#8220;it&#8221;: &#8220;48732129001&#8221;,<\/strong><\/p>\n<p><strong>&#8220;points&#8221;: &#8220;Test Actio&#8221;<\/strong><\/p>\n<p><strong>}&#8217;<\/strong><\/p>\n<p><strong>The answer in &lt; 200 ms. That&#8217;s it.<\/strong><\/p>\n<p><strong>100 SMS free &#8211; test without risk<\/strong><\/p>\n<p><strong>Each new developer account receives 100 free SMS messages to use in the production environment (not a sandbox!). This is enough to:<\/strong><\/p>\n<ul>\n<li><strong>test end-to-end integration,<\/strong><\/li>\n<li><strong>verify deliverability in your target network,<\/strong><\/li>\n<li><strong>show the POC to the customer or team.<\/strong><\/li>\n<\/ul>\n<p><strong>No credit card required. No trial period with expiration date<\/strong><\/p>\n<p><strong>SMS API Gateway &#8211; Enterprise-Class Infrastructure<\/strong><\/p>\n<ul>\n<li><strong>Direct connections to operators (Orange, Play, T-Mobile, Plus) \u2013 without intermediate aggregators<\/strong><\/li>\n<li><strong>SLA 99.9% uptime<\/strong><\/li>\n<li><strong>Delivery reports in real time (webhook or polling)<\/strong><\/li>\n<li><strong>Support Unicode\/emoji and long messages (concatenated SMS)<\/strong><\/li>\n<li><strong>Sender ID override &#8211; your brand instead of a number<\/strong><\/li>\n<\/ul>\n<p><strong>What does SMS API shipping look like step by step?<\/strong><\/p>\n<p><strong>Your app \u2502 <\/strong><strong>\u25bc POST \/sms\/send <\/strong><strong>\u2500\u2500 <\/strong><strong>\u25b6 Actio SMS Gateway <\/strong><strong>\u2500\u2500 <\/strong><strong>\u25b6 Operator (Orange\/Play\/T-Mobile) <\/strong><strong>\u2502 \u2502 \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 <\/strong><strong>\u25c0 status: delivered <\/strong><strong>\u25c0 <\/strong><strong>\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<\/strong><\/p>\n<ol>\n<li><strong>You register an account &#8211; 2 minutes, no paperwork required<\/strong><\/li>\n<li><strong>You download the API token from the developer panel<\/strong><\/li>\n<li><strong>You send your first request &#8211; example above<\/strong><\/li>\n<li><strong>Monitor deliverability via webhook or status endpoint<\/strong><\/li>\n<li><strong>Scale &#8211; 1 to millions of SMS per month without changing the code<\/strong><\/li>\n<\/ol>\n<p><strong>Mass SMS &#8211; sending to thousands of recipients with one call<\/strong><\/p>\n<p><strong>The platform supports both 1:1 (transactional) SMS sending and bulk SMS to entire segments of the contact database.<\/strong><\/p>\n<p><strong>curl -X POST https:\/\/msg-api.actio.pl\/api\/sms-multi \\<\/strong><\/p>\n<p><strong>-H &#8220;Authorization: Bearer TWOJ_TOKEN&#8221; \\<\/strong><\/p>\n<p><strong>-H &#8220;Content-Type: application\/json&#8221; \\<\/strong><\/p>\n<p><strong>-d &#8216;{<\/strong><\/p>\n<p><strong>&#8220;from&#8221;: &#8220;48732129000&#8221;,<\/strong><\/p>\n<p><strong>&#8220;it&#8221;: [&#8220;48732129001&#8221;, &#8220;48732129002&#8221;],<\/strong><\/p>\n<p><strong>&#8220;points&#8221;: &#8220;Test Actio&#8221;<\/strong><\/p>\n<p><strong>}&#8217;<\/strong><\/p>\n<p><strong>Mass SMS sending with schedule, personalization of variables ({{name}}) and automatic division into batches &#8211; all through one API.<\/strong><\/p>\n<p><strong>SMS API vs SMS VoIP \u2013 Which Should You Choose?<\/strong><\/p>\n<p><strong>If your application already uses VoIP (e.g. for voice calls), Actio&#8217;s SMS API integration is a natural step. You can use the same VoIP number to receive SMS responses (two-way SMS) and make voice calls<\/strong><\/p>\n<table>\n<thead>\n<tr>\n<td>\n<p><strong>Feature<\/strong><\/p>\n<\/td>\n<td>\n<p><strong>SMS API<\/strong><\/p>\n<\/td>\n<td>\n<p><strong>SMS VoIP<\/strong><\/p>\n<\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\n<p><strong>Sending SMS from code<\/strong><\/p>\n<\/td>\n<td>\n<p><strong>\u2705<\/strong><\/p>\n<\/td>\n<td>\n<p><strong>\u2705<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><strong>SMS reception (inbound)<\/strong><\/p>\n<\/td>\n<td>\n<p><strong>\u2705<\/strong><\/p>\n<\/td>\n<td>\n<p><strong>\u2705<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><strong>Voice calls<\/strong><\/p>\n<\/td>\n<td>\n<p><strong>\u274c<\/strong><\/p>\n<\/td>\n<td>\n<p><strong>\u2705<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><strong>One number for SMS + voice<\/strong><\/p>\n<\/td>\n<td>\n<p><strong>\u274c<\/strong><\/p>\n<\/td>\n<td>\n<p><strong>\u2705<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><strong>Lowest SMS cost<\/strong><\/p>\n<\/td>\n<td>\n<p><strong>\u2705<\/strong><\/p>\n<\/td>\n<td>\n<p><strong>\u2705<\/strong><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>SMS API pricing &#8211; transparent rates, no hidden fees<\/strong><\/p>\n<p><strong>Actio is billed for the messages actually sent. No monthly plans, no inactivity fees.<\/strong><\/p>\n<ul>\n<li><strong>\u2705 100 free SMS to start<\/strong><\/li>\n<li><strong>\u2705 Package rates &#8211; the more you send, the cheaper<\/strong><\/li>\n<li><strong>\u2705 No minimum monthly volumes<\/strong><\/li>\n<li><strong>\u2705 VAT invoice, payment by bank transfer or card<\/strong><\/li>\n<\/ul>\n<p><strong>? Check the current SMS API price list \u2192<\/strong><\/p>\n<p><strong>Security and GDPR compliance<\/strong><\/p>\n<ul>\n<li><strong>Data processed exclusively on servers in Poland \/ EU<\/strong><\/li>\n<li><strong>TLS 1.3 encryption for all API requests<\/strong><\/li>\n<li><strong>Shipment logs available via API (auditability)<\/strong><\/li>\n<li><strong>Possibility to sign a data entrustment agreement (DPA)<\/strong><\/li>\n<li><strong>Compliance with UKE requirements for Polish operators<\/strong><\/li>\n<\/ul>\n<p><strong>FAQ: SMS API for developers<\/strong><\/p>\n<p><strong>Can I test an API without paying? Yes. 100 SMS free after registration, no credit card required.<\/strong><\/p>\n<p><strong>How fast will I get an access token? Immediately after registration &#8211; you generate the token yourself in the panel.<\/strong><\/p>\n<p><strong>Does the API support Unicode messages? Yes. We automatically detect encoding and inform you about the number of SMS segments.<\/strong><\/p>\n<p><strong>Can I receive SMS to my number via API (inbound)? Yes &#8211; by setting up a webhook, you will receive a POST with the content of the incoming SMS in real time.<\/strong><\/p>\n<p><strong>What is the shipping limit per minute? 100 SMS\/s as standard. Enterprise limits available upon request.<\/strong><\/p>\n<p><strong>Do you have documentation in Polish? Yes &#8211; full REST API documentation, code samples and SDK available in Polish.<\/strong><\/p>\n<p><strong>Start now &#8211; 100 SMS to start, zero commitment<\/strong><\/p>\n<p><strong>It takes less than 15 minutes to integrate the Actio SMS API. Do you have technical questions? Our development team responds &lt; 4 hours on weekdays.<\/strong><\/p>\n<p><a href=\"https:\/\/actio.pl\/rejestracja\/\"><strong>Create an account and receive 100 free SMS<\/strong><\/a><strong><br \/><\/strong><a href=\"https:\/\/actio.pl\/wp-content\/uploads\/2026\/05\/ACTIO_SMS_API.pdf\"><strong>Documentation SMS API<\/strong><\/a><strong><br \/><\/strong><a href=\"https:\/\/actio.pl\/cennik\/\"><strong>Check price list<\/strong><\/a><\/p>\n<p><strong>Actio &#8211; SMS API gateway, VoIP and virtual numbers for companies and developers.<\/strong><\/p>\n<p>&nbsp;<\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>SMS API for Developers \u2013 SMS Gateway | 100 free SMS for tests Integrate SMS sending in your app in minutes. Actio SMS API: REST, JSON, verification codes, notifications. 100 SMS to start with \u2014 no credit card required. SMS integration in your application &#8211; simple, fast, reliable Are you building a notification system, two-factor [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":123613,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[34],"class_list":["post-123611","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-voip","tag-sms-api"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>SMS API for Developers - SMS Gateway with 100 Free Messages to Get You Started - Actio EN<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/actio.pl\/en\/blog\/2026\/05\/14\/sms-api\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SMS API for Developers - SMS Gateway with 100 Free Messages to Get You Started - Actio EN\" \/>\n<meta property=\"og:description\" content=\"SMS API for Developers \u2013 SMS Gateway | 100 free SMS for tests Integrate SMS sending in your app in minutes. 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