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POST
/
api
/
auth
/
refresh
Refresh Token
curl --request POST \
  --url https://api.example.com/api/auth/refresh \
  --header 'Content-Type: application/json' \
  --data '
{
  "refreshToken": "<string>"
}
'
{
  "accessToken": "<string>",
  "error": "<string>",
  "message": "<string>"
}

Documentation Index

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Refreshes an expired access token using a valid refresh token. This endpoint allows users to maintain their session without requiring them to log in again.

​
Authentication

No authentication required (uses refresh token in request body).

​
Request Body

​
refreshToken
string
required
Valid refresh token obtained from the login endpoint.

​
Response

​
accessToken
string
New JWT access token for authenticating API requests. Include this in the Authorization header as Bearer {accessToken}.

​
Example Request

curl -X POST https://api.contafy.com/api/auth/refresh \
  -H "Content-Type: application/json" \
  -d '{
    "refreshToken": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9..."
  }'

​
Example Response

{
  "accessToken": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VySWQiOiJ1c3JfMWEyYjNjNGQ1ZTZmN2c4aCIsImlhdCI6MTcwNTMyMDAwMCwiZXhwIjoxNzA1MzIzNjAwfQ..."
}

​
Error Responses

​
error
string
Error type identifier.
​
message
string
Human-readable error message.

​
Common Errors

401 Unauthorized 
{
  "error": "INVALID_TOKEN",
  "message": "El refresh token es inválido o ha expirado"
}
400 Bad Request 
{
  "error": "VALIDATION_ERROR",
  "message": "Refresh token es requerido"
}

​
Notes

  • Access tokens typically expire after 1 hour
  • Refresh tokens typically expire after 7 days
  • When a refresh token expires, the user must log in again
  • Store refresh tokens securely and never expose them in client-side code

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