Register Free Stamps Account

Every ShipStation API account receives a Free Stamps.com account which gives you deep discounts with USPS. In this step, we'll guide you through registering your free account and passing billing information to Stamps.com.

Initial Registration

Example Request

POST /v1/registration/stamps_com

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POST /v1/registration/stamps_com HTTP/1.1
Host: api.shipengine.com
API-Key: __YOUR_API_KEY_HERE__
Content-Type: application/json
{
  "nickname": "My Stamps.com account",
  "email": "[email protected]",
  "agree_to_carrier_terms" : true,
  "address": {
    "name": "John Doe",
    "phone": "111-111-1111",
    "company_name": "Example Corp.",
    "address_line1": "4009 Marathon Blvd",
    "address_line2": "Suite 300",
    "city_locality": "Austin",
    "state_province": "TX",
    "postal_code": "78756",
    "country_code": "US",
    "address_residential_indicator": "no"
  },
  "credit_card": {
    "name": "my credit card",
    "number": "4111111111111111",
    "type": "Visa",
    "expiration_year": "2025",
    "expiration_month": "07"
  }
}

All fields are required, except for address_line2 and company_name.

Example Response

{
  "carrier_id": "se-123890"
}

Verify your Stamps.com account

After you have finished the initial step of registering your Stamps.com account, you will need to complete your registration via phone verification.

Please use the following endpoints.

Example Request

POST /v1/connections/carriers/stamps_com/:carrier_id/verification

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POST /v1/connections/carriers/stamps_com/:carrier_id/verification HTTP/1.1
Host: api.shipengine.com
API-Key: __YOUR_API_KEY_HERE__
Content-Type: application/json
{
    "phone": "5121112222",
    "verification_type": "sms"
}

Example Response

{
    "phone": "5121112222",
    "verification_id": "vfn_base58encodedguid",
    "verification_method": "sms/voice",
    "status" : "unverified"
}

You should receive a text message with your verification code. Take that and your verification_id and put it in the payload of the following call.

Example Request

PUT /v1/connections/carriers/stamps_com/:carrier_id/verification/:verification_id

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PUT /v1/connections/carriers/stamps_com/:carrier_id/verification/:verification_id HTTP/1.1
Host: api.shipengine.com
API-Key: __YOUR_API_KEY_HERE__
Content-Type: application/json
{
    "verification_code": "__verification_code_goes_here__"
}

Example Response

{
    "phone": "5121112222",
    "verification_id": "__verification_id_goes_here__",
    "verification_method": "sms",
    "status" : "verified"
}