3PL Central API
Extensiv (3PL Central) publishes a documented REST API with OAuth 2.0 client-credentials covering orders, inventory, receipts, and billing. Access is gated: warehouses email Extensiv to request credentials, and developer support is sold separately as an enablement package.
Frequently asked questions
3PL Central scores D+ on the API Report Card. Extensiv (3PL Central) publishes a documented REST API with OAuth 2.0 client-credentials covering orders, inventory, receipts, and billing. Access is gated: warehouses email Extensiv to request credentials, and developer support is sold separately as an enablement package.
Without a usable official API, teams fall back on manual exports, file drops, or one-off vendor integrations. The other option is an unofficial API layer like Supergood that automates the authenticated web app directly.
3PL Central, now operating as Extensiv after the 2022 rebrand that unified 3PL Central, Skubana, CartRover, and Scout Topshelf under one corporate umbrella, is a cloud-based warehouse management system (WMS) built specifically for third-party logistics providers.
Primary vertical: Fleet / Trucking / Logistics, specifically the third-party warehousing and ecommerce fulfillment segment. A 3PL onboards a new ecommerce brand client, configures storage rates and pick fees in the billing engine, and provisions the brand a customer portal login.
Very high inside its niche.
Extensiv 3PL Warehouse Manager is the system of record for inventory ownership across multiple 3PL clients in the same physical warehouse, the source of truth for monthly client billing (storage, handling, accessorials), and the orchestrator of EDI transactions (850/856/810/940/945) with big-box retailers where mis-transmissions cause chargebacks.
3PL Central was founded in 2006 and was an early mover in cloud WMS for 3PLs.
Grades measure one thing: can a customer's engineering team get their own data out programmatically? We check six things (whether a real API exists, how access is gated, data coverage, auth quality, docs and developer experience, and stability) and roll them into a letter grade. Grades get re-verified, and they only move on evidence.
Yes. Supergood maintains an unofficial 3PL Central API and MCP server so AI agents and internal tools can read and write 3PL Central data. See the 3PL Central integration docs at supergood.ai/docs/3pl-central-api.