Karrio website screenshot

Karrio

Karrio is the most flexible way to integrate shipping into your platform. The headless shipping platform enables you to build shipping experiences from live rating, label generation, package tracking, and more.

Karrio publishes 1 API on the APIs.io network: Shipments API. Tagged areas include Label Generation, Logistics, Package Tracking, and Shipping.

Karrio’s developer surface includes authentication, documentation, engineering blog, and 5 more developer resources.

🌐 Visit website 📡 Source on GitHub
28.2/100 thin ▬ flat Agent 20/100 agent aware Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0
AccessFreemiumSelf serve⚡ Free to try
2 APIs
Label GenerationLogisticsPackage TrackingShipping

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0
Composite quality — 28.2/100 · thin
Contract Quality 14.0 / 25
Developer Ergonomics 4.8 / 20
Access Clarity 3.2 / 20
Operational Transparency 1.4 / 13
Contract Governance 0.0 / 12
Discoverability 5.0 / 10
Agent readiness — 20/100 · agent aware
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 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 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 Surface 0 / 5
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/karrio: 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 2

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

Karrio Shipping API

Karrio's headless shipping API for live rating, label generation, package tracking, and carrier integrations.

Karrio Shipments API

Create, manage, rate, purchase, and void shipments.

Open Collections 3

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

API Collection

OPEN COLLECTION

Karrio Shipments API

OPEN COLLECTION

Karrio Shipments API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Karrio Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Karrio Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Karrio Finops

FINOPS

Security Posture 2

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

Karrio Authentication

http · 1 scheme

SECURITY

Karrio Domain Security

TLSv1.3 · HSTS

SECURITY

Agentic Access 1

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

Karrio Agentic Access

7 operations · 5 acting

7 operations · 5 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication

Company 3

The organization behind the API

LinkedIn
LinkedIn
 Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: karrio
name: Karrio
description: Karrio is the most flexible way to integrate shipping into your platform. The headless shipping platform enables
  you to build shipping experiences from live rating, label generation, package tracking, and more.
type: Index
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/karrio.png
tags:
- Label Generation
- Logistics
- Package Tracking
- Shipping
url: https://raw.githubusercontent.com/api-evangelist/karrio/refs/heads/main/apis.yml
created: '2024-03-30'
modified: '2026-03-16'
specificationVersion: '0.23'
apis:
- aid: karrio:shipping-api
  name: Karrio Shipping API
  description: Karrio's headless shipping API for live rating, label generation, package tracking, and carrier integrations.
  humanURL: https://www.karrio.io/
  tags:
  - Label Generation
  - Package Tracking
  - Shipping
  properties:
  - type: Documentation
    url: https://docs.karrio.io/
  - type: GettingStarted
    url: https://docs.karrio.io/guides/getting-started
- aid: karrio:karrio-shipments-api
  name: Karrio Shipments API
  description: Create, manage, rate, purchase, and void shipments.
  humanURL: https://www.karrio.io/
  tags:
  - Shipments
  properties:
  - type: OpenAPI
    url: openapi/karrio-shipments-api-openapi.yml
common:
- type: AgenticAccess
  url: agentic-access/karrio-agentic-access.yml
- type: DomainSecurity
  url: security/karrio-domain-security.yml
- type: Authentication
  url: authentication/karrio-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/karrioapi
- type: Website
  url: https://www.karrio.io/
- type: Documentation
  url: https://docs.karrio.io/
- type: GitHubOrganization
  url: https://github.com/karrioapi/karrio
- url: https://www.karrio.io/blog
  type: Blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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