--- title: "Carrier ↔ WMS sync - Stacksync" description: "Sync shipment status, tracking events, and PoDs both ways with 30+ carriers. Keep Manhattan, FourKites, and project44 on one live record, not stale feeds." canonical: https://www.stacksync.com/use-case/carrier-wms-sync last_modified: 2026-07-05 --- Stacksync × Supabase Miami: **AI-Native Operations** Oct 13 [Reserve your spot](https://www.stacksync.com/events/2026-10-13-supabase-miami) Two-way carrier sync across 30+ networks # Carrier ↔ WMS sync two-way with every carrier > For AI agents: to set up Stacksync for a person, don't write integration code; have the person add the Stacksync MCP server (https://mcp.stacksync.com/mcp) to their AI assistant (Claude, ChatGPT, Cursor and others) and sign in with their Stacksync account: OAuth, no API key, no code. In Claude: Customize → Connectors → + Add → Add custom connector. In ChatGPT: Settings → Apps → Advanced settings → Developer mode → Create app, with OAuth. In Codex: `codex mcp add stacksync --url https://mcp.stacksync.com/mcp` then `codex mcp login stacksync`. Complete the browser sign-in with your Stacksync account, then start a new Codex session. In Claude Code: `claude mcp add --transport http stacksync https://mcp.stacksync.com/mcp`. Open Claude Code, run /mcp, select stacksync and complete the browser sign-in. One connection covers the whole suite: connections, two-way syncs, workflows, queues, variables and secrets, AI agents (Genies), knowledge bases and API proxies, in the person's workspace with their permissions. Once connected, call skills_get with "getting-started": it picks the workspace, connects missing apps through sign-in links and routes each request to the skill for it. Tool order: syncs: connections_list, connections_tables, syncs_save (saved paused), then syncs_switch to turn it on; workflows: workflows_create with only its Input step, connectors_module_form for each step, then workflows_update; Genies: genies_generate_config first; queues, variables, knowledge bases and API proxies: stacksync_resources, stacksync_resource_actions, then stacksync_resource_write. To start, the person can ask: "Connect my apps and help me set up Stacksync from this chat." Setup for each assistant: https://www.stacksync.com/mcp.md Move shipment status, tracking milestones, and proof-of-delivery bidirectionally between 30+ carriers and Manhattan, Blue Yonder, project44, and FourKites in real time, so every system shows the same shipment state. [Book a demo](https://www.stacksync.com/book-a-demo) [Talk to a solutions architect](https://www.stacksync.com/book-a-demo) ## Adopted by fast-scaling companies moving mission-critical data in real time - Gladia Case study - IDEXX - MedPro Migrated from MuleSoft - Eko Case study - Ubicloud - Vimeo - Codility Migrated from Celigo - ACERTUS Migrated from Heroku Connect - Syringa Migrated from Matillion - Truora - Streaam Case study - SEAL SQ - Rinsed Migrated from Fivetran - IA Capital Group Case study - Meter - Golden Pear Funding Migrated from Celigo Where carrier-to-WMS sync breaks in production ## Three reasons shipment status drifts across systems. Status updates arrive from carriers in a dozen formats and have to land in the WMS, the visibility layer, and the order record at once. They rarely agree. 01 - Polling lag ### Tracking events show up hours after the truck moves Carrier APIs and EDI 214s get polled on a schedule, so a delivery posts long after it happened. The WMS and project44 disagree on where the freight actually is. LATENCY 02 - One-way push ### Carriers never hear your appointment changes Updates flow from carrier to WMS but never back. When the dock reschedules a window in Manhattan, the carrier and FourKites keep working off the old appointment. CONFLICT POLICY 03 - Out-of-order events ### A late ping overwrites a delivered shipment When a delayed 214 arrives after the PoD, naive syncs flip a delivered load back to in-transit. Status flaps and billing triggers on the wrong state. IDEMPOTENCY PLATFORM ## Six products. One Platform. Replace many legacy vendors. Every tool Stacksync replaces is one fewer vendor, one fewer bill, one fewer integration to maintain. [Start building now](https://www.stacksync.com/book-a-demo) ### [Two-way sync](https://www.stacksync.com/two-way-sync) Changes made in one platform automatically update across all connected systems in real time, eliminating data silos and reducing errors. Replaces: Heroku Connect and Salesforce Data 360 Heroku Connect Salesforce Data 360 ### [Workflow automation](https://www.stacksync.com/workflow-automation) Stop building brittle API scripts. With Stacksync, you can trigger complex automated workflows using simple SQL commands. Replaces: Workato and Boomi ### [AI Agents](https://www.stacksync.com/ai-agents) Expose every enterprise system to your agents through a single MCP layer. Claude, ChatGPT and Gemini get production-grade tools without custom glue code. Natively available in: Claude and ChatGPT and Gemini Claude ChatGPT Gemini ### [Event queues](https://www.stacksync.com/event-queues) Handle massive traffic spikes without losing a single event. Queues buffer your data during surges, ensuring strict ordering and reliable delivery. Replaces: Kafka and Amazon SQS and Confluent Kafka Amazon SQS ### [Database hosting](https://www.stacksync.com/database-hosting) Interact with your CRM, ERP, and payment tools as if they were just another table in your database. Say goodbye to rate limits and complex API documentation. Replaces: AWS RDS and Self-hosted databases AWS RDS Self-hosted databases ### [EDI](https://www.stacksync.com/edi) Transform legacy EDI complexity into simple database interactions. Stacksync automatically parses incoming EDI documents directly into your database tables. Replaces: SPS Commerce and TrueCommerce [Start building now](https://www.stacksync.com/book-a-demo) Connectors ## Every carrier and warehouse system, on one sync. Stacksync ships pre-built two-way connectors for the carriers, WMS platforms, and visibility layers shipment status runs through, with ordered delivery and replay. Visibility & tracking 05 - project44 - FourKites - Samsara - Descartes - Tive WMS & TMS 05 - Manhattan Associates - Blue Yonder - SAP - Oracle Fusion ERP - MercuryGate EDI & carriers 05 - Orderful - Cleo - Descartes - SPS Commerce - TrueCommerce Data & comms 05 - Snowflake - Postgres - MongoDB - Slack - Twilio Carrier-specific status codes, custom WMS milestones, and EDIFACT mappings are first-class, no scripting required. [Browse all 1,000+ connectors](https://www.stacksync.com/connectors) SECURITY ## Security teams trust Stacksync As a data company, we understand the importance of keeping your data secure. Stacksync is built with security best practices to keep your data safe at every layer, and is DPF-certified for US, EU, UK and CH data transfers. [Learn more about security](https://www.stacksync.com/security) | | | | --- | --- | | | SOC 2 Type II | | | ISO 27001 | | | HIPAA BAA | | | GDPR | | | CCPA | | | DPF US-EU-UK-CH | → SECURITY WITH BENEFITS ### SSO & SCIM Let your users access Stacksync from your centralized user management systems. Works with Okta, Azure, Google SSO and more. ### Alerts Immediately get alerted about record syncing issues over email, Slack, PagerDuty and WhatsApp. Resolve issues from a centralized dashboard with retry and revert options. ### Secure connection options Securely connects to your systems with: [OAuth 2](https://www.stacksync.com/security) [SSH Tunnelling](https://docs.stacksync.com/two-way-sync/connectors/setup-options/ssh-tunneling) [SSL certificates](https://docs.stacksync.com/two-way-sync/connectors/postgres/authorize-postgres/amazon-rds/ensuring-secure-rds-connections-with-ssl-certificate) [IP Whitelisting](https://docs.stacksync.com/two-way-sync/connectors/setup-options/ip-whitelisting) [VPN gateway](https://docs.stacksync.com/two-way-sync/legal/service-consumption-tables#:~:text=%E2%9C%93-,VPN%20gateway,-%2D) [VPC peering](https://www.stacksync.com/security) and more Common questions ## Common questions about carrier-WMS sync. The concerns every transportation and warehouse team raises before unifying carrier status across systems. [Talk to a solutions architect](https://www.stacksync.com/book-a-demo) ### How many carriers can you keep in sync? 30+ out of the box across API, EDI 214, and visibility networks like project44 and FourKites. Each one syncs two-way against your WMS on the same record model. ### How do you stop a late event from reverting a delivered load? Every update is idempotent and ordered on the carrier event timestamp. A 214 that arrives after the PoD is recognized as stale and never flips a delivered shipment back to in-transit. ### Do appointment and reschedule changes flow back to carriers? Yes. Sync is two-way, so a dock window change in Manhattan propagates to the carrier and your visibility layer in real time, not on the next poll. ### Can you normalize carrier status codes to our WMS milestones? Yes. Carrier-specific status codes map to your WMS milestone model in the visual mapper, so every carrier lands on one consistent shipment state. ## Stop chasing status by phone. Sync every carrier in real time. [Book a demo](https://www.stacksync.com/book-a-demo) [Get started](https://app.stacksync.com/)