feat: add params to request_pin (#347)

# Description

Adds `params` to `request_pin` ensuring users can pass
`easypost_details` to the call.

# Testing

Updated test to accept new param.

# Pull Request Type

Please select the option(s) that are relevant to this PR.

- [ ] Bug fix (non-breaking change which fixes an issue)
- [x] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- [ ] Improvement (fixing a typo, updating readme, renaming a variable
name, etc)

---------

Co-authored-by: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: Justintime50

CHANGELOG.md

@@ -1,5 +1,9 @@
 # CHANGELOG
 
+## v7.7.0 (2026-06-25)
+
+- Adds `params` to `request_pin` ensuring users can pass `easypost_details` to the call
+
 ## v7.6.0 (2026-02-25)
 
 - Adds generic `make_api_call` function

VERSION

@@ -1 +1 @@
-7.6.0
+7.7.0

lib/easypost/services/fedex_registration.rb

@@ -14,11 +14,10 @@ def register_address(fedex_account_number, params = {})
   end
 
   # Request a PIN for FedEx account verification.
-  def request_pin(fedex_account_number, pin_method_option)
-    wrapped_params = {
-      pin_method: {
-        option: pin_method_option,
-      },
+  def request_pin(fedex_account_number, pin_method_option, params = {})
+    wrapped_params = wrap_pin_validation(params)
+    wrapped_params[:pin_method] = {
+      option: pin_method_option,
     }
     endpoint = "fedex_registrations/#{fedex_account_number}/pin"
 

spec/fedex_registration_spec.rb

@@ -50,7 +50,15 @@
   describe '.request_pin' do
     it 'requests a pin' do
       fedex_account_number = '123456789'
-      wrapped_params = {
+      params = {
+        easypost_details: {
+          carrier_account_id: 'ca_123',
+        },
+      }
+      expected_params = {
+        easypost_details: {
+          carrier_account_id: 'ca_123',
+        },
         pin_method: {
           option: 'SMS',
         },
@@ -63,10 +71,10 @@
       allow(client).to receive(:make_request).with(
         :post,
         "fedex_registrations/#{fedex_account_number}/pin",
-        wrapped_params,
+        expected_params,
       ).and_return(json_response)
 
-      response = client.fedex_registration.request_pin(fedex_account_number, 'SMS')
+      response = client.fedex_registration.request_pin(fedex_account_number, 'SMS', params)
 
       expect(response).to be_an_instance_of(EasyPost::Models::EasyPostObject)
       expect(response.message).to eq('sent secured Pin')