pass bearer token in header with fecth api code example

Example 1: fetch with bearer token

fetch('URL_GOES_HERE', { 
   method: 'post', 
   headers: new Headers({
     'Authorization': 'Basic '+btoa('username:password'), 
     'Content-Type': 'application/x-www-form-urlencoded'
   }), 
   body: 'A=1&B=2'
 });

Example 2: bearer token header

Authorization: Bearer <token>

Example 3: generate bearer token

HMACSHA256(
  base64UrlEncode(header) + "." +
  base64UrlEncode(payload),
  
) secret base64 encoded

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Javascript Example

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