Whiplash
EcosystemOmnichannel fulfillment and 3PL platform supporting both B2C direct-to-consumer and B2B wholesale shipments from the same inventory pool. Offers a REST API for order management, inventory queries, and carrier selection.
Whiplash is a 3PL that handles both D2C and B2B fulfillment from the same warehouse infrastructure. Merchants send inventory to Whiplash and route orders through a single API regardless of whether the destination is a consumer address or a retailer receiving dock. The platform manages carrier selection, labeling, and compliance requirements for both channels.
The API covers the core fulfillment workflow: inventory receiving and query, order submission with destination and item details, carrier rate shopping, and shipment tracking. Whiplash supports FBA (Fulfilled by Amazon) prep operations through the same platform, so brands that sell across D2C and Amazon channels can consolidate fulfillment operations.
Whiplash integrates with Shopify, WooCommerce, NetSuite, and other commerce platforms through direct connectors. The API allows custom integrations beyond the standard connectors, which is the path for agent-driven order submission.
For agents, the omnichannel capability means a single Whiplash integration handles multiple order types. An agent completing a UCP checkout for a consumer order uses the same API endpoint as one processing a wholesale reorder. The carrier rate shopping API is particularly useful for agents that need to surface delivery options and cost estimates to buyers before finalizing checkout. Whiplash's webhook system sends order status events that agents can consume for proactive buyer updates.
Why This Matters for UCP
Whiplash provides omnichannel 3PL fulfillment with a REST API that agents can use to route UCP-initiated orders, shop carrier rates, and receive fulfillment status updates across both D2C consumer and B2B wholesale shipment types.
UCP Capabilities
UCP Endpoint
Ecosystem — Endpoint not yet publicly available
Integration Example
// Whiplash REST API for omnichannel order fulfillment.
// Agents route D2C and B2B orders through the same API endpoint.
const WHIPLASH_API = 'https://www.getwhiplash.com/api/v2';
const token = process.env.WHIPLASH_API_TOKEN;
// Get carrier rates for an order before confirming
const rates = await fetch(WHIPLASH_API + '/rates', {
method: 'POST',
headers: {
Authorization: 'Token ' + token,
'Content-Type': 'application/json',
},
body: JSON.stringify({
destination: { zip: '10001', country: 'US' },
items: [{ sku: 'SKU-ABC', quantity: 1, weight_oz: 8 }],
}),
}).then(r => r.json());
console.log('Available rates:', rates.map((r: any) => r.service + ': $' + r.rate));
// Submit the order with selected carrier
const order = await fetch(WHIPLASH_API + '/orders', {
method: 'POST',
headers: {
Authorization: 'Token ' + token,
'Content-Type': 'application/json',
},
body: JSON.stringify({
originator_id: 'ucp_order_abc',
email: 'buyer@example.com',
shipping_method_text: 'USPS Priority Mail',
ship_to_name: 'Jane Doe',
ship_to_address: '100 Park Ave',
ship_to_city: 'New York',
ship_to_state: 'NY',
ship_to_zip: '10001',
ship_to_country: 'US',
order_items: [{ item_id: 456, quantity: 1 }],
}),
}).then(r => r.json());
console.log('Order created:', order.id, 'Status:', order.status);Category
Fulfillment & OMSUCP Status
EcosystemTags
Pricing
paid
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Reviews
★★★★★4.7 (3 reviews)These are illustrative examples to show what reviews will look like. Submit your own experience below.
R. Kapoor
Platform Engineer · Jan 15, 2026
Integrated in an afternoon. Solid implementation with no unexpected edge cases in production.
J. Santos
Senior Engineer · Feb 28, 2026
Integration was straightforward. The UCP endpoint discovery works as documented and checkout completes in under 2 seconds.
M. Lee
Backend Developer · Mar 3, 2026
Works well for our use case. The documentation is accurate and the implementation matches what the spec describes.
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