curl 'https://{prefix}.api.sandbox.checkout.com/accounts/entities' \
--request POST \
--header 'Accept: application/json;schema_version=3.0' \
--header 'Content-Type: application/json' \
--header 'Authorization: Bearer YOUR_SECRET_TOKEN' \
--data '{
"reference": "isv-seller-example001",
"agreed_terms": {
"date": "2026-07-02T10:30:00Z",
"ip_address": "8.8.8.8",
"name": "Toby Arden",
"email": "toby.arden@example.com",
"version": "cko-platform-terms-1.0.0"
},
"seller_category": "cat_retail_001",
"processing_details": {
"annual_processing_volume": 1000,
"average_transaction_value": 2000,
"average_order_fulfillment_time": 3,
"target_countries": [
"US"
],
"currency": "USD",
"payments": {
"ach": {
"annual_ach_volume": 100000,
"average_ach_transaction_size": 5000,
"estimated_monthly_credit_volume": 50000,
"average_credit_amount": 2500
}
}
},
"contact_details": {
"phone": {
"number": "4155678900",
"country_code": "US"
},
"email_addresses": {
"primary": "toby.arden@example.com",
"pci_compliance_contact": "pci.contact@example.com"
}
},
"profile": {
"urls": [
"https://www.isv-seller-example.com"
],
"mccs": [
"5551"
],
"holding_currencies": [
"USD"
],
"default_holding_currency": "USD"
},
"company": {
"business_registration_number": "12-3456789",
"business_type": "private_corporation",
"legal_name": "ISV Seller Example Inc",
"trading_name": "ISV Seller Example",
"registered_address": {
"address_line1": "123 Main Street",
"city": "San Francisco",
"state": "CA",
"zip": "94105",
"country": "US"
},
"principal_address": {
"address_line1": "123 Main Street",
"city": "San Francisco",
"state": "CA",
"zip": "94105",
"country": "US"
},
"date_of_incorporation": {
"year": 2025,
"month": 10,
"day": 1
},
"representatives": [
{
"roles": [
"ubo",
"control_person"
],
"ownership_percentage": 25,
"company_position": "ceo",
"individual": {
"first_name": "Toby",
"last_name": "Arden",
"email_address": "toby.arden@example.com",
"national_id_type": "ssn",
"national_id_number": "123456789",
"date_of_birth": {
"day": 15,
"month": 1,
"year": 1990
},
"place_of_birth": {
"country": "US"
},
"citizenships": [
{
"country": "US"
}
],
"phone": {
"country_code": "US",
"number": "4155678901"
},
"address": {
"address_line1": "123 Main Street",
"city": "San Francisco",
"state": "CA",
"zip": "94105",
"country": "US"
}
}
},
{
"roles": [
"authorised_signatory"
],
"individual": {
"first_name": "Alex",
"last_name": "Morgan",
"email_address": "alex.morgan@example.com",
"national_id_type": "ssn",
"national_id_number": "987654321",
"date_of_birth": {
"day": 22,
"month": 6,
"year": 1985
},
"place_of_birth": {
"country": "US"
},
"citizenships": [
{
"country": "US"
}
],
"phone": {
"country_code": "US",
"number": "4155678902"
},
"address": {
"address_line1": "123 Main Street",
"city": "San Francisco",
"state": "CA",
"zip": "94105",
"country": "US"
}
}
}
]
}
}'