How to post query parameters with Axios

Question

I am trying to post on an API with some query params  This is working on PostMan   Insomnia when I am trying to by passing mail and firstname as query parameters     http   localhost 8000 api mails users sendVerificationMail mail lol 40lol com amp firstname myFirstName   However  when I am trying to do it with my react native app  I got a 400 error  Invalid Query Parameters    This is the post method     post   mails users sendVerificationMail       mail    firstname     then response   gt  response status   catch err   gt  console warn err       my mail and firstname are console logged as follow  lol lol com and myFirstName    So I don t know how to pass Query Parameters with Axios in my request  because right now  it s passing data    mail   lol lol com   firstname   myFirstName

User · Accepted Answer

axios signature for post is axios post url   data   config     So you want to send params object within the third argument    post   mails users sendVerificationMail   null    params      mail    firstname      then response   gt  response status   catch err   gt  console warn err      This will POST an empty body with the two query params      POST   http   localhost 8000 api mails users sendVerificationMail mail lol 40lol com amp firstname myFirstName

User · Answer

In my case  the API responded with a CORS error  I instead formatted the query parameters into query string  It successfully posted data and also avoided the CORS issue          var data                const params   new URLSearchParams             contact  this ContactPerson            phoneNumber  this PhoneNumber            email  this Email            toString             const url              quot https   test com api UpdateProfile  quot              params           axios            post url  data                headers                  aaid  this ID                token  this Token                                       then res   gt                this Info   JSON parse res data                           catch err   gt                console log err

User · Answer

As of 2021 insted of null i had to add    in order to make it work  axios post          url                                  params                key              checksum                                      then response   gt            return success response                   catch error   gt            return fail error

[javascript] How to post query parameters with Axios?

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