Free SOAP web services
10 services, checked weekly
Free SOAP web services, described by a WSDL file, that you can call from .NET, Java, PHP or any other SOAP client. Useful to learn SOAP or to test a SOAP client; our tutorial includes a simple SOAP service to start with.
| Service | Category | API key | Formats | Free use |
|---|---|---|---|---|
| InterFax | Communication | Needed, free | XML | Paid per page, with a free developer account for testing. |
| TempConvert (W3Schools) | Currency and finance | Not needed | – | Free, no key needed. |
| timeanddate.com APIs | Location Information | – | XML, CSV | Paid plans with a free trial. |
| Free Thumbnail API | Graphics | – | XML | Free and Paid API. |
| GXChart WebChart | Chart APIs | – | XML | – |
| Flickr API | Image and photo | Needed, free | JSON, XML | Free for non-commercial use with a free API key; commercial use needs permission. |
| Address Validation Plus | Data validators | – | – | Free to try. |
| Name API | Data validators | – | XML | Free and paid plans. |
| VIES VAT number validation | Data validators | Not needed | JSON, XML | Free, no key needed. |
| Learn web services | Testing and mock data | Not needed | XML | Free, no key needed. |
Questions
Is there a free SOAP web service for testing?
Yes: the services on this page are free to call. Free Web Services also runs its own simple SOAP service that adds two numbers, with its WSDL at https://free-web-services.com/add.wsdl; the tutorial shows how to call it from PHP and C#.