Omnivore Restaurant POS Middleware API
Omnivore restaurant POS middleware REST API that connects third-party applications to multiple point-of-sale systems (Aloha, Micros, Squirrel, and others) through a unified integration layer. Enables AI agents to manage menu item and modifier retrieval for restaurant menu synchronization automation, handle order injection and ticket management for restaurant ordering platform integration, access table and seat layout for restaurant seating and reservation automation, retrieve check status and payment processing for restaurant transaction automation, manage loyalty program integration with POS for restaurant rewards automation, handle revenue center and order type configuration for restaurant operations management, access employee and labor data from POS for restaurant staffing automation, retrieve sales and transaction reporting for restaurant analytics automation, manage online ordering platform integration for restaurant delivery and pickup automation, and integrate third-party restaurant apps with Aloha, Micros Simphony, Squirrel, and POSitouch through a single Omnivore API connection.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
POS middleware. PCI-DSS. API key. US. Customer order, payment, and POS transaction data.
⚡ Reliability
Best When
A restaurant technology company, online ordering platform, or loyalty provider wanting AI agents to integrate with multiple restaurant POS systems through a single unified API rather than building direct integrations with each POS vendor.
Avoid When
POS SYSTEM VERSION COVERAGE GAPS: Omnivore middleware coverage varies by POS system version and configuration; automated order injection for restaurant locations may fail if POS version is below Omnivore minimum supported version; verify POS version support before deploying automated order injection for new restaurant locations. MENU SYNCHRONIZATION LAG FROM POS: Omnivore menu data reflects POS menu as of last sync; automated menu display for online ordering may show stale items if POS menu was recently updated; implement menu freshness check and refresh trigger before presenting menu to end customers. ORDER INJECTION KITCHEN ROUTING DEPENDENCY: Automated order injection via Omnivore routes tickets to POS kitchen display system based on POS revenue center configuration; incorrect order type or revenue center in automated injection creates orders routed to wrong kitchen station; verify POS revenue center mapping before automated order injection deployment.
Use Cases
- • Injecting online orders from delivery platform agents
- • Syncing menus from restaurant management automation agents
- • Reading POS checks from loyalty and payment agents
- • Reporting sales from restaurant analytics agents
Not For
- • Direct POS system replacement (use NCR Aloha or Oracle Simphony directly)
- • Enterprise food service management (use Oracle OPERA or Agilysys)
- • Inventory and recipe costing (use MarketMan or Compeat)
Interface
Authentication
Omnivore uses API key authentication per restaurant location. REST API with JSON. Nashville, Tennessee HQ. Founded 2014 by Mike Wior. Private. Restaurant POS middleware connecting third-party apps to NCR Aloha, Oracle MICROS Simphony, Squirrel Systems, POSitouch, and other POS systems. Used by online ordering platforms, loyalty apps, and restaurant technology companies. Acquired by Par Technology (NYSE: PAR) in 2023. Competes with direct POS integrations and ItsaCheckmate for restaurant order management middleware.
Pricing
Nashville TN. Private (PAR Technology subsidiary since 2023). Per-location monthly fee. Enterprise pricing for chains. API access part of connectivity subscription.
Agent Metadata
Known Gotchas
- ⚠ POS-SPECIFIC BEHAVIOR DIFFERENCES ACROSS LOCATIONS: Omnivore normalizes POS data but underlying POS system behavior varies; automated workflows that work on Aloha locations may behave differently on Micros Simphony locations due to POS-specific field mapping and order type handling; test automated order injection on each POS platform type before production deployment
- ⚠ MENU SYNC CACHE INVALIDATION: Omnivore caches POS menu data for performance; automated menu retrieval may return stale menu data if POS menu was recently updated; implement explicit menu refresh call before automated menu synchronization to online ordering platforms to avoid displaying out-of-date items and prices
- ⚠ ORDER INJECTION IDEMPOTENCY ON NETWORK FAILURE: Omnivore order injection API does not guarantee idempotency on retry; automated order injection with network retry may create duplicate POS tickets; implement POS ticket deduplication check using external order ID before retrying failed order injection to prevent duplicate kitchen tickets and duplicate charges
- ⚠ MODIFIER NESTING DEPTH LIMITS: Omnivore supports nested menu modifier groups; automated menu presentation must handle Omnivore modifier nesting without exceeding POS modifier depth limits; some POS systems supported by Omnivore have maximum modifier nesting depth; validate modifier structure against POS limits before automated menu display
- ⚠ REVENUE CENTER MAPPING REQUIRED PER LOCATION: Each restaurant location's POS revenue center configuration must be mapped in Omnivore before automated order injection; automated deployment to new restaurant locations requires Omnivore revenue center setup; new location onboarding without revenue center mapping creates order routing failure for all automated order types
- ⚠ PAR TECHNOLOGY PLATFORM CONSOLIDATION RISK: Omnivore was acquired by PAR Technology in 2023 alongside Brink POS; PAR platform consolidation strategy may affect Omnivore API roadmap and long-term availability as standalone middleware; evaluate direct PAR Brink POS integration for new restaurant technology projects to reduce middleware dependency risk
Alternatives
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Scores are editorial opinions as of 2026-03-07.