Create Offer
Composite Authentication Scheme (Client Key, Date, and Signature)
This scheme requires the client to provide three mandatory headers in every request:
1. X-Api-Key (Client Key)
- Purpose: Public identifier for the API consumer.
2. Date (Timestamp)
- Purpose: Timestamp used for generating the signature and preventing replay attacks.
- Format: RFC 7231 format (e.g., in GMT).
3. Authorization (Computed Signature)
- Purpose: Cryptographic signature that verifies the request's authenticity and integrity.
- Format:
SIGNATURE [authHeader]
The authHeader value is derived from a cryptographic hash (e.g., HMAC-SHA256) of canonical request components (HTTP Method, Path, and the contents of the Date header), signed with the private Client Secret.
Partner code identifier. Client Solutions Engineer (CSE) should provide this value.
When using a test API key, only return active offers
falseInclude localized content in the response
trueComma-separated list of specific extra fields to include. Available fields: tax, commission, benefits, surcharge
Comma-separated list of Offer Config IDs to exclude from the response
Schema identifier for the offer type. If not provided, the default schema for your partner will be used. The Client Solutions Engineer (CSE) will provide the appropriate schema identifier during integration.
acme-logistics-schema-v1Where the offer is being displayed in the partner flow (e.g., checkout, cart, post-purchase).
OK
Offer ID
Forbidden
Unprocessable Entity
POST /x/partners/{partner_code}/offers/ HTTP/1.1
Host: api.xcover.com
Authorization: YOUR_API_KEY
Content-Type: application/json
Accept: */*
Content-Length: 1822
{
"schema": "acme-logistics-schema-v1",
"placement": "checkout",
"customer": {
"currency": "USD",
"country": "US",
"region": "NY",
"language": "en"
},
"partner": {
"transaction_id": "acme-{{$randomUUID}}",
"customer_id": "ACME-CUST-58291",
"metadata": {
"merchant_id": "ACME-MERCH-2041",
"merchant_name": "ACME Nutrition"
}
},
"context": {
"order_total": 10997,
"shipping_cost": 999,
"declared_value": 9998,
"lot_url": "https://acmenutrition.com/products/whey-isolate-vanilla",
"carrier": "UPS",
"carrier_service_name": "UPS Ground",
"shipping_date": "2026-05-08T10:00:00+00:00",
"shipping_method": "drop off",
"frontend_distr": true,
"dual_coverage": false,
"packages": [
{
"type": "Parcel",
"width": 18,
"height": 22,
"length": 18,
"weight": 2.5,
"description": "Whey Protein Isolate - Vanilla",
"declared_value": 4999,
"items": [
{
"sku": "ACME-WPI-VAN-5LB",
"hs_code": "2106909998",
"brand": "ACME Nutrition",
"model": "ACME Performance Whey Isolate",
"description": "ACME Performance Whey Protein Isolate, Vanilla, 5lb tub",
"quantity": 1,
"price": 4999
}
]
},
{
"type": "Parcel",
"width": 18,
"height": 22,
"length": 18,
"weight": 2.5,
"description": "Whey Protein Isolate - Chocolate",
"declared_value": 4999,
"items": [
{
"sku": "ACME-WPI-CHO-5LB",
"hs_code": "2106909998",
"brand": "ACME Nutrition",
"model": "ACME Performance Whey Isolate",
"description": "ACME Performance Whey Protein Isolate, Chocolate, 5lb tub",
"quantity": 1,
"price": 4999
}
]
}
],
"receiver": {
"first_name": "Oscar",
"last_name": "Linares",
"address1": "245 East 63rd Street",
"address2": "Apt 12B",
"city": "New York",
"postcode": "10065",
"region": "NY",
"country": "US",
"email": "[email protected]"
},
"sender": {
"first_name": "Fulfillment",
"last_name": "Team",
"company_name": "ACME Fulfillment",
"address1": "7000 Broadway",
"address2": "Suite 300",
"city": "Denver",
"postcode": "80221",
"region": "CO",
"country": "US",
"email": "[email protected]",
"phone": "+1 303 558 1750"
}
}
}{
"id": "2b1bbc58-c050-42b6-aff3-9b20abbbec59",
"offer_config_id": "86f543d2-41c3-4a14-95fb-dda6743832ab",
"offer_schema": "acme-logistics-schema-v1",
"currency": "USD",
"products": [
{
"id": "4c783f66-c253-43cf-86d6-3a9096769679",
"product_config_id": "0f876b2b-ae0f-41ec-90c7-32a4abb1924f",
"name": "acme-logistics-product",
"type": "xcover",
"schema_url": "https://static.xcover.com/media/product-types/schemas/xcover.json",
"details": {
"policy_version_id": "5c56f9cb-b851-42a8-ad53-eeb0e78a0a88",
"start_date": "2026-05-08T10:00:00+00:00",
"end_date": null,
"finance": {
"price": {
"total_amount": 164.95,
"total_amount_without_tax": null,
"total_amount_min": null,
"total_amount_max": null,
"total_amount_formatted": "US$164.95",
"total_amount_without_tax_formatted": null,
"total_amount_min_formatted": null,
"total_amount_max_formatted": null
},
"tax": {
"total_amount": null,
"total_amount_formatted": null
},
"surcharge": {
"total_amount": null,
"total_amount_formatted": null
},
"commission": {
"total_amount": null,
"total_amount_formatted": null
}
},
"pds_url": "https://xcover.com/en/pds/2b1bbc58-c050-42b6-aff3-9b20abbbec59?policy_type=parcel_insurance_v1",
"files": [
{
"name": "IPID_ParcelProtection_EN",
"url": "https://static.xcover.com/media/pds/a92490cd-5645-4e81-9102-629f9eff0395/IPID_ParcelProtection_EN.pdf",
"type": "IPID"
}
],
"extra_fields": {
"shipping_type": "domestic",
"address_computed": "245 East 63rd Street Apt 12B New York NY 10065 US",
"policy_end_date": null,
"policy_duration": 20,
"partner_subsidiary": null
},
"experiment": {},
"benefits": []
}
}
],
"content": {
"schema_version": "content:1.0",
"locale": "en"
},
"errors": {}
}Last updated
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