Harbinger

Harbinger (Harbinger Motors Inc.) is an American commercial-vehicle manufacturer founded in July 2021 and headquartered in Garden Grove, California. It builds a purpose-designed medium-duty platform — Class 4-6 stripped chassis in all-electric and plug-in hybrid range-extended configurations, the HC Series low-cab-forward cab chassis, the Sevna cab chassis and a step van — around in-house motors, battery packs, power electronics and vehicle software, and sells into last-mile delivery, work-truck, mobile-healthcare, RV and motorhome, and government fleets. Its Harbinger Industria line packages the same drivetrain as off-grid and jobsite power systems. The company has announced serial production of an American-made medium-duty EV, a $160 million Series C co-led by FedEx, Capricorn and THOR Industries, the acquisition of autonomous-driving company Phantom AI alongside a ZF licensing agreement, and a robotics partnership with American Rheinmetall. Harbinger is a vehicle manufacturer rather than a software vendor, and publishes no developer program, no developer portal, no API documentation, no SDKs and no partner API. The only machine-readable interface it exposes to the public is the WordPress REST content API behind harbingermotors.com, which is captured here for discovery purposes and is anonymously readable but read-only.

Harbinger publishes 1 API on the APIs.io network. Tagged areas include Company, Automotive, Electric Vehicles, Commercial Vehicles, and Medium Duty Trucks.

Harbinger’s developer surface includes engineering blog, support, YouTube channel, authentication, code examples, and 26 more developer resources.

🌐 Visit website 📡 Source on GitHub

20.0/100 emerging ▬ flat Agent 12/100 agent aware Front door AI 2/6 trace saas Full breakdown ↓
scored 2026-10-04 · rubric v0.23.0

1 API

Company Automotive Electric Vehicles Commercial VehiclesMedium Duty TrucksManufacturing Fleet Management Transportation Logistics Energy Storage

Kin Score

Kin Score How this is scored →
scored 2026-10-04 · rubric v0.23.0

Composite quality — 20.0/100 · emerging

Contract Quality 1.4 / 21

Developer Ergonomics 5.2 / 17

Access Clarity 3.6 / 17

Operational Transparency 0.0 / 11

Contract Governance 0.5 / 10

Discoverability 5.5 / 9

Regulatory Posture 3.1 / 15

Agent readiness — 12/100 · agent aware

Machine-Readable Contract 0 / 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 7 / 7

Typed Event Surface 0 / 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

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Regulatory Posture applies to this provider. Its tags matched the Energy & Utilities 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.

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

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/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from github.com/api-evangelist/harbinger: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 1

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

Harbinger Website (WordPress REST)

The public WordPress REST API (wp-json) of the Harbinger website at harbingermotors.com: the route index of the site's content management system, catalogued as one site surface ...

Pricing Plans 1

Published pricing tiers and plan structures.

Harbinger Plans Pricing

0 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Harbinger Rate Limits

0 limits

RATE LIMITS

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Harbinger Authentication

0 schemes

SECURITY

Harbinger Domain Security

TLSv1.3 · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Harbinger Agentic Access

22 operations

22 operations · 0 acting

AGENTIC

Resources

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt

LLMsTxt

AgentSkill

AgentSkill

AgenticAccess

AgenticAccess

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

ErrorCatalog

Conventions

DataModel

Conformance

Lifecycle

Build 3

SDKs, sample code, and the tooling you integrate with

Packages

Packages

ToolCrosswalk

ToolCrosswalk

Examples

Examples

Access & Security 2

Authentication, authorization, and security posture

Authentication

Authentication

DomainSecurity

DomainSecurity

Learn 1

Tutorials, courses, talks, and written guidance

YouTube

YouTube

Operate 2

Status, limits, changes, and where to get help

Support

Support

RateLimits

RateLimits

Commercial 3

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Plans

Plans

Company 9

The organization behind the API

Website

About

Blog

BlogRSS

Careers

Partners

LinkedIn

Twitter

Twitter

Instagram

Instagram

Scroll for all 9

Other 3

Properties that don't map to a standard resource type

Products

Products

Technology

Technology

Downloads

Downloads

Source (apis.yml)

aid: harbinger
name: Harbinger
description: Harbinger (Harbinger Motors Inc.) is an American commercial-vehicle manufacturer founded in July 2021 and headquartered
  in Garden Grove, California. It builds a purpose-designed medium-duty platform — Class 4-6 stripped chassis in all-electric
  and plug-in hybrid range-extended configurations, the HC Series low-cab-forward cab chassis, the Sevna cab chassis and a
  step van — around in-house motors, battery packs, power electronics and vehicle software, and sells into last-mile delivery,
  work-truck, mobile-healthcare, RV and motorhome, and government fleets. Its Harbinger Industria line packages the same drivetrain
  as off-grid and jobsite power systems. The company has announced serial production of an American-made medium-duty EV, a
  $160 million Series C co-led by FedEx, Capricorn and THOR Industries, the acquisition of autonomous-driving company Phantom
  AI alongside a ZF licensing agreement, and a robotics partnership with American Rheinmetall. Harbinger is a vehicle manufacturer
  rather than a software vendor, and publishes no developer program, no developer portal, no API documentation, no SDKs and
  no partner API. The only machine-readable interface it exposes to the public is the WordPress REST content API behind harbingermotors.com,
  which is captured here for discovery purposes and is anonymously readable but read-only.
url: https://raw.githubusercontent.com/api-evangelist/harbinger/refs/heads/main/apis.yml
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: true
  label: Hosted service · you call their endpoint
  confidence: high
  source:
  - openapi
  - pricing
  generated: '2026-08-28'
  method: derived
image: https://harbingermotors.com/wp-content/uploads/2025/02/cropped-Harbinger-Bird-02-192x192.png
accessModel:
  pricing: none
  onboarding: none
  trial: false
  try_now: true
  public: true
  label: Public read-only content API, no signup
  confidence: high
  source:
  - authentication
  generated: '2026-08-22'
  method: derived
x-type: company
x-source: harvest:secondary-market
specificationVersion: '0.23'
created: '2026-08-22'
modified: '2026-08-22'
tags:
- Company
- Automotive
- Electric Vehicles
- Commercial Vehicles
- Medium Duty Trucks
- Manufacturing
- Fleet Management
- Transportation
- Logistics
- Energy Storage
apis:
- aid: harbinger:harbingermotors-com-website-wordpress-rest
  name: Harbinger Website (WordPress REST)
  description: 'The public WordPress REST API (wp-json) of the Harbinger website at harbingermotors.com: the route index of
    the site''s content management system, catalogued as one site surface rather than as separate APIs.'
  baseURL: https://harbingermotors.com/wp-json
  tags:
  - WordPress
  x-surface: platform-generated
  properties:
  - type: Documentation
    url: https://harbingermotors.com/wp-json
  x-platform: wordpress
  x-platform-surface: rest
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://harbingermotors.com/
- type: About
  url: https://harbingermotors.com/our-company/
- type: Blog
  url: https://harbingermotors.com/newsroom/
- type: BlogRSS
  url: https://harbingermotors.com/feed/
- type: Products
  url: https://harbingermotors.com/our-products/
- type: Technology
  url: https://harbingermotors.com/technology/
- type: Downloads
  url: https://harbingermotors.com/downloads/
- type: Support
  url: https://harbingermotors.com/contact/
- type: Careers
  url: https://harbingermotors.com/careers/
- type: Partners
  url: https://harbingermotors.com/dealers/
- type: TermsOfService
  url: https://harbingermotors.com/legal/terms-of-use/
- type: PrivacyPolicy
  url: https://harbingermotors.com/legal/privacy/
- type: LinkedIn
  url: https://www.linkedin.com/company/harbingermotors
- type: Twitter
  url: https://x.com/harbingermotors
- type: YouTube
  url: https://www.youtube.com/@harbingermotors
- type: Instagram
  url: https://www.instagram.com/harbingermotorsinc/
- type: Authentication
  url: authentication/harbinger-authentication.yml
- type: ErrorCatalog
  url: errors/harbinger-problem-types.yml
- type: Conventions
  url: conventions/harbinger-conventions.yml
- type: DataModel
  url: data-model/harbinger-data-model.yml
- type: Conformance
  url: conformance/harbinger-conformance.yml
- type: Lifecycle
  url: lifecycle/harbinger-lifecycle.yml
- type: RateLimits
  url: rate-limits/harbinger-rate-limits.yml
- type: Plans
  url: plans/harbinger-plans-pricing.yml
- type: Packages
  url: packages/harbinger-packages.yml
- type: LLMsTxt
  url: llms/harbinger-llms.txt
- type: ToolCrosswalk
  url: mcp/harbinger-tool-crosswalk.yml
- type: AgentSkill
  url: skills/_index.yml
- type: Examples
  url: examples/harbinger-examples.yml
- type: AgenticAccess
  url: agentic-access/harbinger-agentic-access.yml
- type: DomainSecurity
  url: security/harbinger-domain-security.yml
x-enrichment:
  date: '2026-08-22'
  status: enriched
  artifacts_added: 37
  pass: local-v1

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