Welcome to GF Developer Portal

We provide APIs based on industry-leading service providers.

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About us

Facts & Figures

GF comprises three divisions: GF Piping Systems, GF Casting Solutions, and GF Machining Solutions. Founded in 1802, the Corporation is headquartered in Switzerland and is present in 33 countries with 142 companies. Its 14'678 employees generated sales of CHF 3'720 million in 2019.

Vision and Strategy

GF is a worldwide business player operating in an environment of global competition. All three Divisions of GF are among the market and technology leaders in their segments and main markets. GF defines sustainable business as responsible business activity that is focused on the long term.

Our APIs

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Email
API

Reliable Email delivery

Try it out.

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Convert API

Document conversion

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VIES VAT API

VAT based search

Try it out.

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Payment API

Payments made easy

Try it out.

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All of our APIs are:

  • easy to use and with useful functionalities

  • well documented and tested to boost reliability

  • highly available

  • constantly improving 

POST /external/sendgrid/v3/mail/send

{ 
  "personalizations": [ 
    { 
      "to": [ 
        { 
          "email": "john.doe@example.com", 
          "name": "John Doe" 
        } 
       ], 
       "subject": "Hello, World!" 
    } 
   ], 
 "from": { 
   "email": "sam.smith@example.com", 
   "name": "Sam Smith" 
 },
 "content": [ 
   { 
     "type": "text/html", 
     "value": "<html><p>Hello, world!</p></html>" 
   } 
 ] 
}
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