Validation errors from the insurance provider are returned with status 400.
The message field of the error body then contains a details list, for example {"status": 400, "message": {"details": ["Variant is invalid"]}, "timestamp": "2026-01-01 12:00:00"}.
Get Pricing
Get insurance pricing for a given variant and params. List of variants and required parameters available in the section below. Returns 200 with the price. Returns 400 when the variant is missing or invalid, when a parameter is not supported by the variant (Parameter X is not supported) or when a parameter value is invalid.
Request body
▸
▸variantstringRequired
Insurance variant.
▸parametersobject arrayRequired
Parameters required to calculate the insurance price. Only parameters listed for the variant are accepted.
▸namestringRequired
Name of the parameter.
▸valuestringRequired
Value of the parameter.
Returns
▸
▸fullPricestring
Full insurance price.
curl --location --request POST 'https://api-test.simpl.rent/v2/calculate-insurance-pricing' \
--header 'Authorization: <API key>' \
--header 'Content-Type: application/json' \
--data-raw '{
"variant": "tenant_insurance_basic",
"parameters": [
{
"name": "liability_sum",
"value": "100000"
}
]
}'Issue Insurance
Issue insurance for a given variant. Please refer to the section for available variants and required parameters. Returns 200 with the policy number. Returns 400 when the variant is invalid, a parameter is not supported or invalid, an entity is missing identity information, or the account is not configured for issuing insurance.
Request body
▸
▸variantstringRequired
Insurance variant.
▸entitiesobject arrayRequired
List of insurance entities. Each entity must contain a PESEL number, a REGON number or a citizenship other than PL, otherwise the request is rejected with 400. Entities without type or address are ignored.
▸typestringRequired
Type of an entity on insurance (insured | policyholder | insured_and_policyholder).
▸namestringOptional
Name of the entity if it is a person.
▸surnamestringOptional
Surname of the entity if it is a person.
▸peselNumberstringOptional
PESEL number of the entity. Required if the entity is a person with a PESEL number.
▸citizenshipstringOptional
Citizenship of the entity (2-letter country code). Required if the entity is a person without a PESEL number.
▸birthDatestringOptional
Birth date of the entity (YYYY-MM-DD) if it is a person without a PESEL number.
▸regonNumberstringOptional
REGON number of the entity. Required if the entity is a company (together with companyName).
▸companyNamestringOptional
Name of the company. Required if the entity is a company (together with regonNumber).
▸addressobjectRequired
Address of the entity.
▸countrystringOptionalDefaults to PL
▸postalCodestringRequired
▸citystringRequired
▸streetstringRequired
▸houseNumberstringRequired
▸flatNumberstringOptional
▸parametersobject arrayRequired
List of parameters required for the specific insurance variant (see section below).
▸namestringRequired
▸valuestringRequired
▸projectIdstringOptional
Optionally specifies the target project for the insurance. If the provided ID (unique per organization) does not exist, the system creates a new project record with that identifier.
Returns
▸
▸policyNumberstring
Policy number.
curl --location --request POST 'https://api-test.simpl.rent/v2/issue-insurance' \
--header 'Authorization: <API key>' \
--header 'Content-Type: application/json' \
--data-raw '{
"variant": "tenant_insurance_basic",
"entities": [
{
"type": "insured",
"name": "John",
"surname": "Doe",
"peselNumber": "12345678901",
"address": {
"city": "Warszawa",
"street": "Krucza",
"houseNumber": "1",
"flatNumber": "1",
"postalCode": "00-000"
}
},
{
"type": "policyholder",
"companyName": "Company Name",
"regonNumber": "123456785",
"address": {
"city": "Warszawa",
"street": "Piwna",
"houseNumber": "1",
"flatNumber": "1",
"postalCode": "00-000"
}
}
],
"parameters": [
{
"name": "start_date",
"value": "2026-01-01"
},
{
"name": "liability_sum",
"value": "100000"
}
]
}'Cancel Insurance
Insurance cancellation. The insurance is cancelled immediately. Returns 204 No Content. Returns 404 when the policy is not found and 400 when the insurance is already cancelled or inactive.
Request body
▸
▸policyNumberstringRequired
Policy number.
curl --location --request POST 'https://api-test.simpl.rent/v2/cancel-insurance' \
--header 'Authorization: <API key>' \
--header 'Content-Type: application/json' \
--data-raw '{
"policyNumber": "TXS00000001"
}'Insurance Variants
Tenant Insurance
tenant_insurance_basic
Fields
▸
▸start_datestringDefaults to tomorrow
Start date of the insurance (YYYY-MM-DD).
▸liability_sumstringRequired
Liability sum value (50000 | 100000 | 150000 | 200000 | 300000).
Landlord Insurance
landlord_insurance
Fields
▸
▸start_datestringDefaults to tomorrow
Start date of the insurance (YYYY-MM-DD).
▸rent_contract_start_datestringRequired
Start date of the rent contract (YYYY-MM-DD).
▸rent_contract_end_datestring
End date of the rent contract (YYYY-MM-DD) (optional if indefinite lease).
▸rent_sumstringRequired
Rent sum.
▸rent_protection_sumstringRequired
Rent guarantee sum (min 6000 PLN, max 24000 PLN). Required for pricing calculation.
▸simpl_rent_certificate_idstring
Simpl Rent certificate ID. Optional for pricing calculation.
▸property_address_citystringRequired
City of the insured property.
▸property_address_streetstringRequired
Street of the insured property.
▸property_address_house_numberstringRequired
House number of the insured property.
▸property_address_flat_numberstring
Flat number of the insured property.
▸property_address_room_numberstring
Room number of the insured property.
▸property_address_postal_codestringRequired
Postal code of the insured property.
▸cancel_atstringOptional
Date (YYYY-MM-DD) at which insurance should be cancelled.
curl --location --request POST 'https://api-test.simpl.rent/v2/calculate-insurance-pricing' \
--header 'Authorization: <API key>' \
--header 'Content-Type: application/json' \
--data '{
"variant": "landlord_insurance",
"parameters": [
{"name": "rent_protection_sum", "value": "10000"}
]
}'{
"fullPrice": "754.00"
}curl --location --request POST 'https://api-test.simpl.rent/v2/calculate-insurance-pricing' \
--header 'Authorization: <API key>' \
--header 'Content-Type: application/json' \
--data '{
"variant": "landlord_insurance",
"parameters": [
{"name": "rent_protection_sum", "value": "10000"},
{"name": "simpl_rent_certificate_id", "value": "k7lMn2"}
]
}'{
"fullPrice": "754.00"
}curl --location --request POST 'https://api-test.simpl.rent/v2/issue-insurance' \
--header 'Authorization: <API key>' \
--header 'Content-Type: application/json' \
--data-raw '{
"variant": "landlord_insurance",
"parameters": [
{"name": "rent_contract_start_date", "value": "2026-01-01"},
{"name": "rent_contract_end_date", "value": "2026-12-31"},
{"name": "simpl_rent_certificate_id", "value": "k7lMn2"},
{"name": "rent_sum", "value": "3000"},
{"name": "rent_protection_sum", "value": "9000"},
{"name": "property_address_city", "value": "Warszawa"},
{"name": "property_address_street", "value": "Piwna"},
{"name": "property_address_house_number", "value": "20"},
{"name": "property_address_postal_code", "value": "00-132"}
],
"entities": [
{
"type": "insured_and_policyholder",
"name": "Jan",
"surname": "Kowalski",
"peselNumber": "12345678901",
"address": {
"city": "Warszawa",
"street": "Krucza",
"houseNumber": "1",
"flatNumber": "1",
"postalCode": "00-000"
}
}
]
}'{
"policyNumber": "TXW00000001"
}