Paddle
AnnouncedAll-in-one payment infrastructure and merchant of record for B2B SaaS companies, building UCP checkout support for agent-initiated software purchases and subscription management with built-in tax compliance.
Paddle has announced plans to support UCP as a participant. No public endpoint is available yet.
Paddle is a payments infrastructure company that acts as merchant of record for B2B SaaS companies. This means Paddle handles tax compliance, payment processing, and refunds on behalf of its software vendor customers. Paddle has announced plans to integrate UCP checkout.
The merchant of record model has specific implications for UCP. When an agent purchases a software subscription through a Paddle-powered vendor, the actual transaction counterparty is Paddle, not the software company. The UCP manifest for these merchants points to a Paddle-hosted endpoint that returns Paddle's standardized checkout flow, with the software vendor's product data layered on top.
Tax compliance is where Paddle's UCP integration adds value beyond basic checkout. SaaS companies using Paddle do not manage VAT, GST, or sales tax themselves. When an agent initiates checkout for a buyer in Germany or Canada, Paddle's tax engine computes the correct tax, applies it to the checkout response, and handles remittance. The agent gets a fully computed total without any tax configuration on the vendor's side.
Paddle's customer base is B2B SaaS, which has a strong match with agent-initiated purchasing. Enterprise software buyers increasingly want procurement automation, and Paddle's UCP integration lets agents handle software license purchases, seat additions, and annual renewals.
Why This Matters for UCP
Paddle brings merchant-of-record payment infrastructure to UCP, handling global tax compliance and payment processing for B2B SaaS purchases so software vendors do not need to build checkout infrastructure.
UCP Capabilities
UCP Endpoint
Announced — Endpoint not yet publicly available
Integration Example
// Paddle UCP checkout for SaaS vendors (announced, not yet live)
// Paddle acts as merchant of record; endpoint is Paddle-hosted.
const manifest = await fetch('https://checkout.paddle.com/.well-known/ucp')
.then(r => r.json());
// When live, expect:
// - Products: software licenses, seat-based plans, usage billing
// - Tax: VAT/GST computed by Paddle's tax engine, included in total
// - Identity: Paddle customer ID linking for existing subscribers
// - Checkout: Paddle handles payment processing and complianceCategory
PlatformsUCP Status
AnnouncedTags
Pricing
paid
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Reviews
★★★★★4.5 (4 reviews)These are illustrative examples to show what reviews will look like. Submit your own experience below.
P. Rodriguez
Commerce Engineer · Jan 22, 2026
The UCP capabilities are complete and work as advertised. Our shopping agent handles product discovery and checkout end-to-end through this platform.
L. Wang
API Developer · Feb 14, 2026
Reliable endpoint. We run automated conformance checks weekly and they pass consistently. The identity linking spec is fully implemented.
D. Müller
Solutions Architect · Feb 20, 2026
We plugged this into our agent framework and had live product discovery working within a day. The platform integration is clean.
S. Nakamura
Senior Developer · Mar 1, 2026
Good UCP support. Endpoint is stable and well-documented. The only minor friction was rate limits during initial testing — easy to request an increase.
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