Element5

Element5 is a post-acute healthcare workflow automation platform that uses coordinated AI agents (Neos) to automate revenue cycle management (RCM) and back-office operations for home health, hospice, and palliative care providers. Its platform automates eligibility and benefit verification, prior authorization submission, claims processing, denials management, remittance and collections, and audit/compliance workflows, escalating only exceptions to human agents. Element5 exposes a public workflow API (Element5 API v2.2.0) protected by API keys that lets clients submit authorization and eligibility requests, process X12 270/271 eligibility transactions, upload and fetch file objects, and monitor long-running tasks via polling or webhook callbacks. The company is backed by Insight Partners and serves the post-acute care sector.

Element5 publishes 3 APIs on the APIs.io network: Authorization API, Eligibility API, and Object Store API. Tagged areas include Company, Healthcare, Revenue Cycle Management, Post-Acute Care, and Workflow-Automation.

The Element5 catalog on APIs.io includes 1 event-driven AsyncAPI specification.

Element5’s developer surface includes authentication, sandbox, documentation, API reference, support, and 19 more developer resources.

🌐 Visit website 📡 Source on GitHub

47.7/100 developing ▬ flat Agent 42/100 agent ready Full breakdown ↓
scored 2026-08-20 · rubric v0.12.0

AccessSelf serve

3 APIs 1 MCP Servers

CompanyHealthcareRevenue Cycle ManagementPost-Acute CareWorkflow-AutomationEligibility VerificationPrior AuthorizationClaims ProcessingWebhookArtificial Intelligence

Kin Score

Kin Score How this is scored →
scored 2026-08-20 · rubric v0.12.0

Composite quality — 47.7/100 · developing

Contract Quality 14.8 / 21

Developer Ergonomics 8.8 / 17

Access Clarity 4.3 / 17

Operational Transparency 0.9 / 11

Contract Governance 3.1 / 10

Discoverability 6.9 / 9

Regulatory Posture 4.9 / 15

Agent readiness — 42/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 7 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 6 / 6

Agent Skills 5 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Regulatory Posture applies to this provider. Its tags matched the Health regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/element5: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 3

Individual APIs this provider publishes, each with its own machine-readable definition.

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

Get Started 3

Portal, sign-up, and the first successful call

Sandbox

Sandbox

DeveloperPortal

DeveloperPortal

Login

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgentSkill

MCPServer

LLMsTxt

Design & Contract 8

Pagination, idempotency, versioning, errors, and events

Conventions

ErrorCatalog

Lifecycle

Conformance

Webhooks

DataModel

Arazzo

Arazzo

Scroll for all 8

Access & Security 3

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

Compliance

Compliance

Operate 1

Status, limits, changes, and where to get help

Support

Support

Commercial 1

Pricing, plans, and the legal terms of use

PrivacyPolicy

PrivacyPolicy

Company 1

The organization behind the API

Website

Website

Other 1

Properties that don't map to a standard resource type

Overlay

Overlay

Source (apis.yml)

aid: element5
name: Element5
description: Element5 is a post-acute healthcare workflow automation platform that uses coordinated AI agents (Neos) to automate
  revenue cycle management (RCM) and back-office operations for home health, hospice, and palliative care providers. Its platform
  automates eligibility and benefit verification, prior authorization submission, claims processing, denials management, remittance
  and collections, and audit/compliance workflows, escalating only exceptions to human agents. Element5 exposes a public workflow
  API (Element5 API v2.2.0) protected by API keys that lets clients submit authorization and eligibility requests, process
  X12 270/271 eligibility transactions, upload and fetch file objects, and monitor long-running tasks via polling or webhook
  callbacks. The company is backed by Insight Partners and serves the post-acute care sector.
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://cdn.prod.website-files.com/658c60c4ff902effa2174f77/668c43e2bfb9956a2995b419_e5-logo-gradient.png
url: https://raw.githubusercontent.com/api-evangelist/element5/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- insight-partners
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-19'
tags:
- Company
- Healthcare
- Revenue Cycle Management
- Post-Acute Care
- Workflow-Automation
- Eligibility Verification
- Prior Authorization
- Claims Processing
- Webhook
- Artificial Intelligence
tags_raw:
- Company
- Healthcare
- Revenue Cycle Management
- Post-Acute Care
- Workflow Automation
- Eligibility Verification
- Prior Authorization
- Claims Processing
- Webhooks
- Artificial Intelligence
apis:
- aid: element5:element5-authorization-api
  name: Element5 Authorization API
  description: Authorization related APIs
  humanURL: https://api-doc.e5.ai/
  baseURL: https://api.e5.ai
  tags:
  - Authorization
  properties:
  - type: OpenAPI
    url: openapi/element5-authorization-api-openapi.yml
  - type: Documentation
    url: https://api-doc.e5.ai/
  - type: APIReference
    url: https://api-doc.e5.ai/
- aid: element5:element5-eligibility-api
  name: Element5 Eligibility API
  description: Eligibility related APIs
  humanURL: https://api-doc.e5.ai/
  baseURL: https://api.e5.ai
  tags:
  - Eligibility
  properties:
  - type: OpenAPI
    url: openapi/element5-eligibility-api-openapi.yml
  - type: Documentation
    url: https://api-doc.e5.ai/
  - type: APIReference
    url: https://api-doc.e5.ai/
- aid: element5:element5-object-store-api
  name: Element5 Object Store API
  description: Object Store related APIs
  humanURL: https://api-doc.e5.ai/
  baseURL: https://api.e5.ai
  tags:
  - Object Store
  properties:
  - type: OpenAPI
    url: openapi/element5-object-store-api-openapi.yml
  - type: Documentation
    url: https://api-doc.e5.ai/
  - type: APIReference
    url: https://api-doc.e5.ai/
common:
- type: AgenticAccess
  url: agentic-access/element5-agentic-access.yml
- type: DomainSecurity
  url: security/element5-domain-security.yml
- type: Authentication
  url: authentication/element5-authentication.yml
- type: Conventions
  url: conventions/element5-conventions.yml
- type: ErrorCatalog
  url: errors/element5-problem-types.yml
- type: Lifecycle
  url: lifecycle/element5-lifecycle.yml
- type: Conformance
  url: conformance/element5-conformance.yml
- type: Webhooks
  url: asyncapi/element5-webhooks.yml
- type: AgentSkill
  url: skills/_index.yml
- type: MCPServer
  url: mcp/element5-mcp.yml
- type: LLMsTxt
  url: llms/element5-llms.txt
- type: Overlay
  url: overlays/element5-openapi-overlay.yaml
- type: Sandbox
  url: sandbox/element5-sandbox.yml
- type: DataModel
  url: data-model/element5-data-model.yml
- type: Arazzo
  name: Verify eligibility and await result
  url: arazzo/element5-verify-eligibility.yml
- type: Arazzo
  name: Upload document and submit authorization
  url: arazzo/element5-submit-authorization.yml
- type: Website
  url: https://www.e5.ai/
- type: DeveloperPortal
  url: https://api-doc.e5.ai/
- type: Documentation
  url: https://api-doc.e5.ai/
- type: APIReference
  url: https://api-doc.e5.ai/
- type: Login
  url: https://app.e5.ai/
- type: PrivacyPolicy
  url: https://www.e5.ai/privacy-policy
- type: Support
  url: mailto:apisupport@e5.ai
- type: Compliance
  url: https://www.e5.ai/security
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence

Element5

Kin Score

APIs 3

Element5 Authorization API

Element5 Eligibility API

Element5 Object Store API

Open Collections 4

API Collection

Element5 Authorization API

Element5 Authorization Eligibility API

Element5 Authorization Object Store API

Arazzo Workflows 2

Element5 — Upload document and submit authorization

Element5 — Verify eligibility and await result

MCP Servers 1

Element5 MCP Server

Event Specifications 1

Element5 Webhooks

Security Posture 2

Element5 Authentication

Element5 Domain Security

Agentic Access 1

Element5 Agentic Access

Resources