# Klaviyo

**Canonical:** https://apis.io/providers/klaviyo/  
**Website:** https://www.klaviyo.com  
**APIs profiled:** 23

Klaviyo is a marketing automation and customer data platform built for ecommerce. Build custom integrations to bring data into Klaviyo to create personalized experiences across email, SMS, mobile push, and more. The Klaviyo API exposes profiles, events, lists, segments, campaigns, flows, catalogs, coupons, metrics, reviews, templates, webhooks, and reporting endpoints for building rich integrations and data pipelines.

## Kin Score — 77.1 / 100 (exemplar)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 77.1).

| Facet | Score |
|---|---|
| Discoverability | 92.6 |
| Contract Quality | 73.7 |
| Governance | 41.7 |
| Contract Governance | 41.7 |
| Operational Transparency | 76.3 |
| Developer Ergonomics | 57.7 |
| Commercial Clarity | 81.6 |
| Access Clarity | 81.6 |

Regulatory layer — **Telecommunications**: 73.6 (matched via tags).

## Agent readiness — 42.8 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | documented |
| Auth Clarity | yes |
| Idempotency | documented |
| Error Semantics | documented |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | derived |
| Agent Skills | derived |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (23)

- **Klaviyo Accounts API** — accounts
- **Klaviyo Campaigns API** — campaigns
- **Klaviyo Catalogs API** — catalogs
- **Klaviyo Client API** — client
- **Klaviyo Conversations API** — conversations
- **Klaviyo Coupons API** — coupons
- **Klaviyo Custom Objects API** — custom objects
- **Klaviyo Data Privacy API** — data privacy
- **Klaviyo Events API** — events
- **Klaviyo Flows API** — flows
- **Klaviyo Forms API** — forms
- **Klaviyo Images API** — images
- **Klaviyo Lists API** — lists
- **Klaviyo Metrics API** — metrics
- **Klaviyo Profiles API** — profiles
- **Klaviyo Reporting API** — reporting
- **Klaviyo Reviews API** — reviews
- **Klaviyo Segments API** — segments
- **Klaviyo Tags API** — tags
- **Klaviyo Templates API** — templates
- **Klaviyo Tracking Settings API** — tracking settings
- **Klaviyo Web Feeds API** — web feeds
- **Klaviyo Webhooks API** — webhooks

## MCP servers (1)

- **Klaviyo MCP Server**

## Agentic access (1)

- **Klaviyo Agentic Access** — 308 operations · 128 acting

## Security (4)

- **Klaviyo Authentication** — apiKey/oauth2 · 4 schemes
- **Klaviyo Domain Security** — TLSv1.3 · HSTS · DMARC
- **Klaviyo Vulnerability Disclosure** — Bugcrowd · contact published
- **Klaviyo Trust Center** — SOC 2, ISO 27001, ISO 27017, ISO 27018, PCI DSS, HIPAA, FedRAMP, GDPR, CSA STAR

## Plans (1)

- **Klaviyo Plans Pricing**

## Tags

Marketing, Email, SMS, Customer Data, E-Commerce, Automation

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/klaviyo/). Scores are computed from the provider's own public artifacts under a published rubric.