Gravity Rail
Gravity Rail operates a no-code, model-agnostic AI platform that enables healthcare organizations to build and run HIPAA-compliant patient engagement workflows across voice, SMS, email, and web without writing code or relying on external vendors.
- Company typePrivate
- Founded2026
- HeadquartersGrass Valley, United States
- Headcount1–10
- GTM typeB2B
- OfferingSoftware
What Gravity Rail does
Gravity Rail, Inc. is a Delaware-incorporated healthcare technology company headquartered in Grass Valley, California, that operates a model-agnostic AI platform designed to let non-technical clinical operations teams build and run patient engagement workflows without writing code or relying on external vendors. The core product is a no-code operating system that orchestrates AI agents across phone (via Twilio), SMS, email, web chat, WhatsApp, Discord, Slack, and Microsoft Teams, with voice interactions powered by OpenAI Realtime Voice, Gemini Live, and ElevenLabs TTS running on AWS infrastructure in us-west-2. The platform supports all major enterprise AI models (Claude and Nova via Amazon Bedrock, Gemini via Google Vertex AI, GPT-4.1 via OpenAI), incorporates retrieval-augmented generation over uploaded knowledge base documents, and connects to external systems through an open Model Context Protocol (MCP) integration layer with healthcare-specific connectors for Epic, Cerner/Oracle Health, eClinicalWorks, Athena, and Healthie via FHIR R4.
The company sells a SaaS subscription billed as a monthly AI unit package through two tiers: a self-service tier that prohibits PHI processing and an Enterprise tier governed by a separately executed Master Services Agreement and Business Associate Agreement that enables HIPAA-compliant PHI handling. Its primary customer segment is US-based healthcare organizations (providers, clinics, hospitals, and care programs) seeking to automate patient outreach, appointment scheduling, intake, and clinical screening workflows; a secondary segment is non-technical clinical operations teams that need configurability without engineering support. Early deployment outcomes cited by the company include a 30% increase in first scheduled appointment rates and a 10x volume capacity improvement at customer Leapcure. Gravity Rail is privately held, was officially launched in April 2026 with a $2.75M seed round led by Redesign Health, and operates with a team of 1-10 employees under founders Scott Hoch (CEO) and Daniel Walmsley (CTO). Compliance posture includes HIPAA, SOC 2 Type II in preparation, GDPR, CCPA/CPRA, and TCPA.
Gravity Rail firmographics
Firmographics- Name
- Gravity Rail
- Legal name
- Gravity Rail, Inc.
- Website
- https://gravityrail.com
- Company type
- Private
- Founded year
- 2026
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Gravity Rail operates a no-code, model-agnostic AI platform that enables healthcare organizations to build and run HIPAA-compliant patient engagement workflows across voice, SMS, email, and web without writing code or relying on external vendors.
- Ownership category
- akta.pro rank
Gravity Rail industry classification
Industry- Product category
- Healthcare Patient Engagement Software
- NAICS
- Custom Computer Programming Services (541511), Computer Systems Design and Related Services (5415)
- SIC
- Services-Prepackaged Software (7372)
- akta.pro primary industry
- Employer/Member Engagement Platforms for Provider-Sponsored Plans (HLACAEAM)
- akta.pro secondary industries
- AI Triage & Clinical Decision Support (CDS) Platforms (HLALAJAD), Data Aggregation, Interoperability & APIs for RPM (FHIR/IoMT Gateways) (HLACAFAO), Model Governance, Risk & Compliance (GRC) Platforms (HDAAAKAA)
Keywords
Where Gravity Rail is headquartered
LocationHeadquarters
- HQ city
- Grass Valley
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Gravity Rail business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Infrastructure, Personnel, Marketing or Sales, Operations
Revenue model
- SaaS Subscription (Self-Service): Monthly AI unit package or other recurring subscription plans for self-service accounts. Fees are non-refundable except as required by law. Account suspension for overdue balances after 5 days written notice. No model training on Customer Content.
- SaaS Subscription (Enterprise): Enterprise accounts subject to separately executed Master Services Agreement (MSA) and Business Associate Agreement (BAA). PHI processing only available under Enterprise accounts with full BAA. Enterprise agreements may include stricter data handling controls including contractual prohibitions on interaction data use for model improvement.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Monthly | Self-service subscription accounts |
| Subscription | Monthly | Enterprise accounts with MSA and BAA |
Go-to-market motion1 record
Distribution channels2 records
Marketing channels4 records
Gravity Rail product offering
Product offeringCore offering
Gravity Rail provides a model-agnostic AI-powered patient engagement operating system that lets healthcare organizations design, deploy, and manage conversational AI workflows across phone, SMS, email, web chat, WhatsApp, Discord, Slack, and Microsoft Teams without writing code or relying on external vendors. The platform supports multi-step clinical workflows (intake, appointment scheduling, PHQ-9/GAD-7 screening, FAQ), integrates with EHRs via the open Model Context Protocol (FHIR R4), and operates under HIPAA-compliant architecture with Business Associate Agreements for enterprise customers handling PHI. Pricing is delivered as a monthly AI unit subscription for self-service accounts, with enterprise agreements for PHI workloads.
Product overview
Gravity Rail is a unified AI-powered customer engagement platform built as a model-agnostic operating system for healthcare organizations. The core platform enables non-technical teams to build and deploy AI-powered workflows across multiple communication channels without coding. The product portfolio centers on the Gravity Rail Platform as the core offering, supplemented by Workflows (multi-step conversational automation), AI Agents (team members handling 24/7 conversations), Async Sub-Agents (background task delegation), Chats (unified conversation hub), Voice Communication (real-time phone/web voice), and Knowledge Base with RAG. Additional capabilities include MCP Server Integration for EHR connectivity (Epic, Cerner, eClinicalWorks, Healthie), Discord/Slack/Microsoft Teams bots, API Keys for developer access, and Milestones for goal tracking. The platform launched in April 2026 with $2.75M seed funding from Redesign Health.
Differentiator
Problem solved
Functional benefit
Products and services
- Gravity Rail Platform Core AI-powered patient engagement operating system for healthcare organizations. Enables care teams to design and run AI engagement workflows across phone, SMS, email, web, and messaging channels without external vendors or writing code. Demonstrated results include 30% increase in first scheduled appointment rates and 10x volume capacity improvements for early customers such as Leapcure.
- Workflows No-code conversational workflow product that lets care teams build multi-step patient engagement processes (intake, scheduling, screening, FAQs) with intelligent branching, structured data collection, event-driven actions, and identical execution across SMS, voice, web chat, and email. Includes version control for immutable workflow snapshots.
- Voice Communication Real-time voice channel product enabling AI-driven phone and web-voice conversations. Supports ultra-low-latency streaming via OpenAI Realtime and Gemini Live, automatic transcription, multiple AI voice options, and smart escalation to live agents.
- Chats Unified conversation hub product providing centralized management of all AI-driven patient and member interactions across phone, SMS, web chat, email, Discord, and Slack. Includes conversation states, AI summaries, labeling, and bulk export.
- Knowledge Base (RAG) RAG-powered knowledge base product that ingests PDFs, DOCX, TXT, and Markdown files with semantic indexing and folder-level access controls. AI agents retrieve relevant passages to answer questions conversationally and cite source documents.
- MCP Server Integration for EHR MCP-based EHR connectivity product providing patient lookup, appointment scheduling, condition/medication queries, and write-back across Epic FHIR R4, Cerner/Oracle Health, eClinicalWorks, Athena, Healthie, and any generic FHIR R4 system, with support for custom Node.js or Python MCP servers.
- Discord Bots Channel-specific bot product for deploying AI agents inside Discord workspaces, with slash commands, @mention responses, direct messages, auto-respond mode, OAuth account linking, and Linked Roles integration.
- Milestones Goal-tracking product that lets organizations define time-bound strategic objectives with measurable goals tied to member filters, supporting both quantitative numeric targets and qualitative completion-based goals with progress reporting.
- Developer API & TypeScript SDK Programmatic-access product offering a REST API (OAuth 2.0 and API key authentication, scoped permissions, webhooks) and a TypeScript SDK that lets developers build custom integrations and embed Gravity Rail capabilities into their own applications.
Quantifiable outcome
- 30% increase in first scheduled appointment rates compared to manual processes
- +2 more outcomes
Companies that use Gravity Rail
Customer profileNamed customers1 record
Segments2 records
Ideal customer profiles2 records
Gravity Rail technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration23 records
AI capability15 records
Feature7 records
Gravity Rail partnerships and signals
Strategic signalScale indicators3 records
Recent moves6 records
Expansion highlights6 records
Gravity Rail competitors and assessment
Company assessmentBroad incumbents
- Olive AI: Olive AI is a healthcare automation incumbent targeting revenue cycle and administrative workflows with AI — broader in scope than Gravity Rail but competing for the same hospital system AI budget.
- Salesforce Health Cloud: Salesforce Health Cloud is a broad CRM and patient engagement platform used by large payers and providers — competing with Gravity Rail at the buyer level but without the no-code AI workflow specialization.
Emerging players
- Notable: Notable automates clinical and administrative workflows using AI for health systems, including patient outreach and intake — directly comparable to Gravity Rail's workflow automation use cases for providers.
- Memora Health: Memora Health delivers AI-enabled care journey navigation for patients across messaging channels — overlapping with Gravity Rail's patient engagement workflows but with a narrower clinical-journey focus.
- Abridge: Abridge generates AI-powered clinical notes and patient summaries from patient-clinician conversations — adjacent to Gravity Rail's patient engagement workflows with shared EHR and healthcare AI buyer overlap.
- Hippocratic AI: Hippocratic AI builds healthcare-specific large language models and staffing agents for non-diagnostic patient-facing roles — competing for the same AI patient-engagement category but at the model layer rather than the workflow layer.
- Suki: Suki is an AI clinical assistant for clinicians focused on ambient documentation and order entry — partial overlap with Gravity Rail's clinical screening and EHR-integrated workflow positioning.
Direct peers
- Conversica: Conversica provides AI-driven engagement assistants that automate outreach across email, SMS, and web — closely mirroring Gravity Rail's patient outreach and appointment scheduling motions, though less healthcare-specialized.
- Avaamo: Avaamo offers a conversational AI platform with deep healthcare deployments for patient scheduling, FAQ, and member engagement — overlapping directly with Gravity Rail's multi-channel workflow and EHR integration capabilities.
- Hyro: Hyro provides an AI-powered patient engagement and conversational platform for healthcare organizations across voice, web, and messaging channels — directly competing with Gravity Rail on no-code AI workflow automation for provider and payer use cases.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Gravity Rail social profiles
Digital presenceGravity Rail compliance and trust
Trust signalCompliance6 records
Gravity Rail financial estimates
Financial estimateRevenue estimate
Valuation estimate
Gravity Rail leadership team
Management profileNumber of profiles
Profiles2 records
Gravity Rail funding detail
Funding detailFunding overview
Funding rounds1 record
Investors1 record
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Gravity Rail M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Gravity Rail
What does Gravity Rail do?
Gravity Rail provides a model-agnostic AI-powered patient engagement operating system that lets healthcare organizations design, deploy, and manage conversational AI workflows across phone, SMS, email, web chat, WhatsApp, Discord, Slack, and Microsoft Teams without writing code or relying on external vendors. The platform supports multi-step clinical workflows (intake, appointment scheduling, PHQ-9/GAD-7 screening, FAQ), integrates with EHRs via the open Model Context Protocol (FHIR R4), and operates under HIPAA-compliant architecture with Business Associate Agreements for enterprise customers handling PHI. Pricing is delivered as a monthly AI unit subscription for self-service accounts, with enterprise agreements for PHI workloads.
Is Gravity Rail a public or private company?
Gravity Rail is a private company. It is classified as venture growth investor backed and is currently operating.
When was Gravity Rail founded?
Gravity Rail was founded in 2026. It employs 1 to 10 people.
Where is Gravity Rail based?
Gravity Rail is headquartered in Grass Valley, United States, in the North America region.
How does Gravity Rail make money?
Two revenue lines are on record. SaaS Subscription (Self-Service) is the primary driver. The others are saaS Subscription (Enterprise).
Who are Gravity Rail's main competitors?
Broad incumbents on record are Olive AI and Salesforce Health Cloud. Emerging players are Notable, Memora Health, Abridge, Hippocratic AI and Suki. Direct peers are Conversica, Avaamo and Hyro.
Does Gravity Rail have an API?
Yes. REST API at https://api.gravityrail.com/api/v2 with OAuth 2.0 and API key authentication. Supports scoped permissions including read/write for members, chats, data, and admin:workspace. Features key expiration, usage tracking, and webhook support for real-time event notifications. A TypeScript SDK is available at /sdk/classes/AgentBuilder. Developer documentation is at api.gravityrail.com/api/v2.
What industry is Gravity Rail in?
Gravity Rail's product category is Healthcare Patient Engagement Software. Its primary akta.pro industry code is HLACAEAM, Employer/Member Engagement Platforms for Provider-Sponsored Plans, with a secondary code of HLALAJAD, AI Triage & Clinical Decision Support (CDS) Platforms. Its NAICS code is 541511 and its SIC code is 7372.