calling post api using webclient

user_17984830 0
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I have to call post api to generate token using webclient. I will send jwt token in assertion. I have got some example through net but I dont know how to pass parameters like along with API. can someone help with the same?

I need to call docusign api https://account-d.docusign.com/oauth/token

also I need to send grant_type and assertion. I dont know how to receive this. can someone help with example? below is the image for reference.

enter image description here

spring-boot webclient rest spring java
2 Answers

To build uri with query params you can use UriComponentsBuilder

final WebClient.ResponseSpec response = webClient.post()
      .uri(UriComponentsBuilder.fromUriString("https://account-d.docusign.com/oauth/token")
        .queryParam("grant_type", "xyz")
        .queryParam("assertion", "anything")
        .toUriString())
      .retrieve();
user_2662540

If u are using java then you can use HTTPClient.

HttpRequest request = HttpRequest.newBuilder()
  .uri(new URI("url"))
  .headers("Content-Type", "text/plain;charset=UTF-8")
  .headers("grant_type", "")
  .headers("assertion", "")
  .POST(HttpRequest.BodyPublishers.ofString("Sample request body"))
  .build();

If u are using spring then you can go for webclient. U can set headers like this.

webClient.post()
  .uri(UriComponentsBuilder.fromUriString("url").queryParam("assertion", "").queryParam("grant_type", "").toUriString()).retrieve();

Hope this helps you to set multiple headers.

user_116222090
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