Lupin vs Webshare: proxy inventories, connection modes and agent allocations

The inventory contract matters to the integration

Webshare’s proxy-list documentation exposes paginated results with an explicit connection mode and optional plan selection. It distinguishes direct and backbone modes, with different filtering behavior. Lupin’s API instead exposes workspace proxy users, connection credentials and traffic allocation. Those are different management abstractions. If your product needs to enumerate specific proxy endpoints, replace inventory or manage multiple direct-provider plans, evaluate that lifecycle directly rather than assuming a user-allocation API will present the same objects.

Endpoint inventory can favor Webshare

A client pool may assign specific proxy endpoints to workers and track endpoint validity or location. Webshare’s documented proxy objects and list operations are relevant to that design. Lupin is more focused on distributing configured traffic capacity and credentials among agent workloads. Prefer Webshare when direct inventory semantics or plan-specific management is a hard requirement. Prefer Lupin when a supported gateway-style connection and finite allocation are sufficient and the agent also benefits from shared ownership with inboxes, app connections and execution.

Do not carry filters between modes blindly

Webshare’s documentation explicitly notes that several list filters and ordering options do not apply in backbone mode. A generic client should therefore bind its query behavior to the selected mode rather than constructing one universal request. This is a useful example of why provider abstraction needs exact contracts. Lupin callers should likewise consume returned schemes and current resource fields rather than inventing network parameters. Validate the application’s assumptions with fixtures for empty pages, multiple pages and mode-specific unsupported options before it manages a live fleet.

Proxy lists can contain secrets

Webshare’s documented proxy objects include connection credentials, and Lupin returns a connection block for each supported proxy user. Treat the whole response as sensitive, not just the management API token. Avoid sending raw inventories to an agent prompt or browser analytics system. Keep public troubleshooting identifiers separate from passwords and complete URLs. Decide how credentials are replaced and how an application notices stale inventory. A paginated list must be fully consumed before concluding an endpoint disappeared, while a traffic allocation must be checked before claiming a workload has usable capacity.

Compare inventory charges and traffic consumption fairly

Use current Webshare plan terms to estimate endpoint inventory, network category, traffic, refresh or replacement needs and concurrent clients. Lupin proxy traffic is separate from browser and sandbox usage, with automatic refill drawing on finite configured capacity. Include the work of synchronizing inventories, assigning credentials and reconciling usage in the cost model. Webshare may be the better choice for a product organized around proxy lists and direct provider account controls. Lupin may be better for an agent organized around shared workspace resources. Neither abstraction establishes faster or more successful access to your target sites.

Evaluate the client’s resource model before switching

Write the exact object your application stores for a worker: a specific endpoint, a gateway credential, an allocation or a plan reference. Map that object to Webshare’s selected mode and Lupin’s proxy-user surface, including pagination and exhaustion behavior. Start with fixture responses and a controlled connection test using authorized capacity. Prefer Webshare when endpoint inventory and plan-aware operations fit the architecture. Prefer Lupin when allocation and shared agent ownership are sufficient. The next step is to prove the mapping, not to assume that replacing the hostname migrates the management model.

During a Webshare migration, export the application’s endpoint assignments and plan references through supported paths, then translate them into the destination’s actual resource model. Credentials and provider inventory identifiers need recreation. Validate direct versus gateway behavior before retiring the old pagination and inventory synchronization logic.

Sources & verification

Official documentation and Lupin public documentation/source were reviewed on 2026-11-05. This is an architecture and operating-scope comparison, not a live benchmark, hands-on provider test or independent review of service quality.

• Webshare API documentation ↗Checked 2026-11-05
• Webshare list proxies ↗Checked 2026-11-05
• Lupin proxies documentation ↗Checked 2026-11-05
• Lupin bounded agent registration ↗Checked 2026-11-05

Prepared with AI assistance by Lupin editorial. How we research and maintain these guides.