Home Providers Customer.io
Customer.io
Customer.io is a customer engagement platform that combines a customer data platform, marketing automation, and messaging delivery to send behavior-triggered email, push, SMS, and in-app messages. Its API surface includes the Track API for sending behavioral data and customer profile updates, the App API for managing workspace resources and sending transactional and broadcast messages, the Pipelines API which is a Segment-spec data ingestion interface, and outbound reporting webhooks that deliver message lifecycle events.
Customer.io publishes 26 APIs on the APIs.io network, including Track API, Activities API, Alias API, and 23 more. Tagged areas include Behavioral Data, Broadcasts, Campaigns, CDP, and Customer Data.
The Customer.io catalog on APIs.io includes 1 event-driven AsyncAPI specification, 1 JSON-LD context, and 3 Spectral governance rulesets.
Customer.io’s developer surface includes authentication, documentation, CLI, changelog, sandbox, API reference, getting-started guide, and 47 more developer resources.
27 APIs1 MCP Servers
Behavioral Data Broadcasts Campaigns CDP Customer Data Customer Data Platform Data Ingestion Email Event Tracking Marketing Automation Messaging Push Notifications Segments SMS Transactional Email
On this page
Kin Score
APIs 27
Open Collections 26
MCP Servers 1
GraphQL 1
Pricing Plans 1
Rate Limits 1
FinOps 1
Event Specs 1
Vocabularies 1
Spectral Rules 3
JSON Schema 3
Security Posture 4
Scopes 1
Agentic Access 1
Resources 54
apis.yml
84 Operational Transparency
Composite quality — 87.5/100 · exemplar
Contract Quality 16.3 / 21
Developer Ergonomics 13.7 / 17
Operational Transparency 9.3 / 11
Contract Governance 5.8 / 10
Regulatory Posture 11.0 / 15
Agent readiness — 46/100 · agent ready
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Individual APIs this provider publishes, each with its own machine-readable definition.
The Customer.io Track API allows developers to send behavioral data and customer profile information into Customer.io. It provides endpoints for identifying customers, tracking ...
Retrieve activity logs for your workspace.
Merge two user identities by creating an alias linking a new identity to an existing one.
Send multiple API calls in a single request for improved performance.
Trigger API-triggered broadcasts to send messages to groups of people based on segments or filters.
Retrieve information about campaigns, campaign actions, and campaign metrics in your workspace.
Manage collections of data used in message personalization.
Look up customer profiles, search for customers, and retrieve customer attributes and activity data.
Manage push notification devices associated with customer profiles.
Track API v2 entity endpoint for creating and managing people and objects using a unified request format.
Track customer events and anonymous events to record behavioral data and trigger messaging workflows.
Export customer data, deliveries, and other information from your workspace.
Associate people with groups or organizations.
Identify people and set their profile attributes. The identify call tells Customer.io who the current user is and assigns traits to them.
Merge two customer profiles into a single profile.
Retrieve information about individual messages sent to customers.
Retrieve information about newsletters and newsletter variants.
Record page views from web applications.
Record screen views from mobile applications.
Create and manage manual segments, and retrieve segment membership information.
Manage sender identities used for sending messages.
Manage reusable content snippets for use in messages.
Send transactional messages such as password resets, purchase receipts, and other important notifications triggered by user actions.
The Customer.io App API is the workspace-management and outbound-messaging surface: trigger broadcasts, send transactional email, push, SMS, in-app and inbox messages, manage ca...
The Customer.io Pipelines (CDP) API is the Segment-spec data ingestion interface Customer.io recommends for new integrations — identify, track, page, screen, group, alias and ba...
Customer.io's outbound message-lifecycle event stream. Eight event families — customer, email, sms, whatsapp, push, in_app, slack and webhook — each carrying a metric such as dr...
Customer.io's first-party hosted Model Context Protocol server. It exposes the full Journeys App API and CDP Data Pipelines API to any MCP client through eight tools — a context...
Scroll for all 27
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
Scroll for all 26
Model Context Protocol servers that expose these APIs to AI agents.
GraphQL schemas published by this provider.
Published pricing tiers and plan structures.
Documented rate limits and quota policies.
Cost, billing, and metering signals for API financial operations.
AsyncAPI definitions for this provider's event-driven and streaming APIs.
JSON-LD contexts and semantic vocabularies used across these APIs.
Spectral governance rulesets for linting and validating these APIs.
Standalone JSON Schema definitions for this provider's data models.
Authentication, domain security, vulnerability disclosure, and trust-center signals.
OAuth scopes governing access to this provider's APIs.
Recommended x-agentic-access execution contracts for AI agents.
Get Started 5
Portal, sign-up, and the first successful call
Documentation 6
Reference material describing how the API behaves
Agent Surfaces 6
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 9
Pagination, idempotency, versioning, errors, and events
Scroll for all 9
Build 5
SDKs, sample code, and the tooling you integrate with
Access & Security 7
Authentication, authorization, and security posture
Scroll for all 7
Learn 1
Tutorials, courses, talks, and written guidance
Operate 4
Status, limits, changes, and where to get help
Commercial 5
Pricing, plans, and the legal terms of use
Company 3
The organization behind the API
Other 3
Properties that don't map to a standard resource type
Source (apis.yml)
aid: customer-io
accessModel:
pricing: paid
onboarding: self-serve
trial: false
try_now: false
public: false
label: Paid · 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/customer-io.png
url: https://raw.githubusercontent.com/api-evangelist/customer-io/refs/heads/main/apis.yml
apis:
- aid: customer-io:track-api
name: Customer.io Track API
tags:
- Behavioral Data
- Customer Data
- Event Tracking
- Marketing Automation
- Messaging
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
baseURL: https://track.customer.io
humanURL: https://docs.customer.io/integrations/api/track/
properties:
- url: https://docs.customer.io/integrations/api/track/
type: Documentation
- url: openapi/customer-io-track-api-openapi.yml
type: OpenAPI
- url: graphql/customer-io-graphql.md
type: GraphQL
description: The Customer.io Track API allows developers to send behavioral data and customer profile information into Customer.io.
It provides endpoints for identifying customers, tracking events, managing devices for push notifications, and sending
anonymous events. The API uses basic authentication with a Site ID and API key, and accepts JSON request bodies.
- aid: customer-io:customer-io-activities-api
name: Customer.io Activities API
description: Retrieve activity logs for your workspace.
humanURL: https://docs.customer.io/integrations/api/track/
baseURL: https://api.customer.io
tags:
- Activities
properties:
- type: OpenAPI
url: openapi/customer-io-activities-api-openapi.yml
- type: Documentation
url: https://docs.customer.io/integrations/api/app/
- type: Documentation
url: https://docs.customer.io/integrations/data-in/connections/http-api/
- aid: customer-io:customer-io-alias-api
name: Customer.io Alias API
description: Merge two user identities by creating an alias linking a new identity to an existing one.
humanURL: https://docs.customer.io/integrations/api/track/
baseURL: https://cdp.customer.io/v1
tags:
- Alias
properties:
- type: OpenAPI
url: openapi/customer-io-alias-api-openapi.yml
- type: Documentation
url: https://docs.customer.io/integrations/api/app/
- type: Documentation
url: https://docs.customer.io/integrations/data-in/connections/http-api/
- aid: customer-io:customer-io-batch-api
name: Customer.io Batch API
description: Send multiple API calls in a single request for improved performance.
humanURL: https://docs.customer.io/integrations/api/track/
baseURL: https://track.customer.io
tags:
- Batch
properties:
- type: OpenAPI
url: openapi/customer-io-batch-api-openapi.yml
- type: Documentation
url: https://docs.customer.io/integrations/api/app/
- type: Documentation
url: https://docs.customer.io/integrations/data-in/connections/http-api/
- aid: customer-io:customer-io-broadcasts-api
name: Customer.io Broadcasts API
description: Trigger API-triggered broadcasts to send messages to groups of people based on segments or filters.
humanURL: https://docs.customer.io/integrations/api/track/
baseURL: https://api.customer.io
tags:
- Broadcasts
properties:
- type: OpenAPI
url: openapi/customer-io-broadcasts-api-openapi.yml
- type: Documentation
url: https://docs.customer.io/integrations/api/app/
- type: Documentation
url: https://docs.customer.io/integrations/data-in/connections/http-api/
- aid: customer-io:customer-io-campaigns-api
name: Customer.io Campaigns API
description: Retrieve information about campaigns, campaign actions, and campaign metrics in your workspace.
humanURL: https://docs.customer.io/integrations/api/track/
baseURL: https://api.customer.io
tags:
- Campaigns
properties:
- type: OpenAPI
url: openapi/customer-io-campaigns-api-openapi.yml
- type: Documentation
url: https://docs.customer.io/integrations/api/app/
- type: Documentation
url: https://docs.customer.io/integrations/data-in/connections/http-api/
- aid: customer-io:customer-io-collections-api
name: Customer.io Collections API
description: Manage collections of data used in message personalization.
humanURL: https://docs.customer.io/integrations/api/track/
baseURL: https://api.customer.io
tags:
- Collection
tags_raw:
- Collections
properties:
- type: OpenAPI
url: openapi/customer-io-collections-api-openapi.yml
- type: Documentation
url: https://docs.customer.io/integrations/api/app/
- type: Documentation
url: https://docs.customer.io/integrations/data-in/connections/http-api/
- aid: customer-io:customer-io-customers-api
name: Customer.io Customers API
description: Look up customer profiles, search for customers, and retrieve customer attributes and activity data.
humanURL: https://docs.customer.io/integrations/api/track/
baseURL: https://track.customer.io
tags:
- Customers
properties:
- type: OpenAPI
url: openapi/customer-io-customers-api-openapi.yml
- type: Documentation
url: https://docs.customer.io/integrations/api/app/
- type: Documentation
url: https://docs.customer.io/integrations/data-in/connections/http-api/
- aid: customer-io:customer-io-devices-api
name: Customer.io Devices API
description: Manage push notification devices associated with customer profiles.
humanURL: https://docs.customer.io/integrations/api/track/
baseURL: https://track.customer.io
tags:
- Devices
properties:
- type: OpenAPI
url: openapi/customer-io-devices-api-openapi.yml
- type: Documentation
url: https://docs.customer.io/integrations/api/app/
- type: Documentation
url: https://docs.customer.io/integrations/data-in/connections/http-api/
- aid: customer-io:customer-io-entity-api
name: Customer.io Entity API
description: Track API v2 entity endpoint for creating and managing people and objects using a unified request format.
humanURL: https://docs.customer.io/integrations/api/track/
baseURL: https://track.customer.io
tags:
- Entity
properties:
- type: OpenAPI
url: openapi/customer-io-entity-api-openapi.yml
- type: Documentation
url: https://docs.customer.io/integrations/api/app/
- type: Documentation
url: https://docs.customer.io/integrations/data-in/connections/http-api/
- aid: customer-io:customer-io-events-api
name: Customer.io Events API
description: Track customer events and anonymous events to record behavioral data and trigger messaging workflows.
humanURL: https://docs.customer.io/integrations/api/track/
baseURL: https://track.customer.io
tags:
- Event
tags_raw:
- Events
properties:
- type: OpenAPI
url: openapi/customer-io-events-api-openapi.yml
- type: Documentation
url: https://docs.customer.io/integrations/api/app/
- type: Documentation
url: https://docs.customer.io/integrations/data-in/connections/http-api/
- aid: customer-io:customer-io-exports-api
name: Customer.io Exports API
description: Export customer data, deliveries, and other information from your workspace.
humanURL: https://docs.customer.io/integrations/api/track/
baseURL: https://api.customer.io
tags:
- Export
tags_raw:
- Exports
properties:
- type: OpenAPI
url: openapi/customer-io-exports-api-openapi.yml
- type: Documentation
url: https://docs.customer.io/integrations/api/app/
- type: Documentation
url: https://docs.customer.io/integrations/data-in/connections/http-api/
- aid: customer-io:customer-io-group-api
name: Customer.io Group API
description: Associate people with groups or organizations.
humanURL: https://docs.customer.io/integrations/api/track/
baseURL: https://cdp.customer.io/v1
tags:
- Group
properties:
- type: OpenAPI
url: openapi/customer-io-group-api-openapi.yml
- type: Documentation
url: https://docs.customer.io/integrations/api/app/
- type: Documentation
url: https://docs.customer.io/integrations/data-in/connections/http-api/
- aid: customer-io:customer-io-identify-api
name: Customer.io Identify API
description: Identify people and set their profile attributes. The identify call tells Customer.io who the current user
is and assigns traits to them.
humanURL: https://docs.customer.io/integrations/api/track/
baseURL: https://cdp.customer.io/v1
tags:
- Identify
properties:
- type: OpenAPI
url: openapi/customer-io-identify-api-openapi.yml
- type: Documentation
url: https://docs.customer.io/integrations/api/app/
- type: Documentation
url: https://docs.customer.io/integrations/data-in/connections/http-api/
- aid: customer-io:customer-io-merge-api
name: Customer.io Merge API
description: Merge two customer profiles into a single profile.
humanURL: https://docs.customer.io/integrations/api/track/
baseURL: https://track.customer.io
tags:
- Merge
properties:
- type: OpenAPI
url: openapi/customer-io-merge-api-openapi.yml
- type: Documentation
url: https://docs.customer.io/integrations/api/app/
- type: Documentation
url: https://docs.customer.io/integrations/data-in/connections/http-api/
- aid: customer-io:customer-io-messages-api
name: Customer.io Messages API
description: Retrieve information about individual messages sent to customers.
humanURL: https://docs.customer.io/integrations/api/track/
baseURL: https://api.customer.io
tags:
- Message
tags_raw:
- Messages
properties:
- type: OpenAPI
url: openapi/customer-io-messages-api-openapi.yml
- type: Documentation
url: https://docs.customer.io/integrations/api/app/
- type: Documentation
url: https://docs.customer.io/integrations/data-in/connections/http-api/
- aid: customer-io:customer-io-newsletters-api
name: Customer.io Newsletters API
description: Retrieve information about newsletters and newsletter variants.
humanURL: https://docs.customer.io/integrations/api/track/
baseURL: https://api.customer.io
tags:
- Newsletters
properties:
- type: OpenAPI
url: openapi/customer-io-newsletters-api-openapi.yml
- type: Documentation
url: https://docs.customer.io/integrations/api/app/
- type: Documentation
url: https://docs.customer.io/integrations/data-in/connections/http-api/
- aid: customer-io:customer-io-page-api
name: Customer.io Page API
description: Record page views from web applications.
humanURL: https://docs.customer.io/integrations/api/track/
baseURL: https://cdp.customer.io/v1
tags:
- Page
properties:
- type: OpenAPI
url: openapi/customer-io-page-api-openapi.yml
- type: Documentation
url: https://docs.customer.io/integrations/api/app/
- type: Documentation
url: https://docs.customer.io/integrations/data-in/connections/http-api/
- aid: customer-io:customer-io-screen-api
name: Customer.io Screen API
description: Record screen views from mobile applications.
humanURL: https://docs.customer.io/integrations/api/track/
baseURL: https://cdp.customer.io/v1
tags:
- Screen
properties:
- type: OpenAPI
url: openapi/customer-io-screen-api-openapi.yml
- type: Documentation
url: https://docs.customer.io/integrations/api/app/
- type: Documentation
url: https://docs.customer.io/integrations/data-in/connections/http-api/
- aid: customer-io:customer-io-segments-api
name: Customer.io Segments API
description: Create and manage manual segments, and retrieve segment membership information.
humanURL: https://docs.customer.io/integrations/api/track/
baseURL: https://api.customer.io
tags:
- Segments
properties:
- type: OpenAPI
url: openapi/customer-io-segments-api-openapi.yml
- type: Documentation
url: https://docs.customer.io/integrations/api/app/
- type: Documentation
url: https://docs.customer.io/integrations/data-in/connections/http-api/
- aid: customer-io:customer-io-sender-identities-api
name: Customer.io Sender Identities API
description: Manage sender identities used for sending messages.
humanURL: https://docs.customer.io/integrations/api/track/
baseURL: https://api.customer.io
tags:
- Sender Identities
properties:
- type: OpenAPI
url: openapi/customer-io-sender-identities-api-openapi.yml
- type: Documentation
url: https://docs.customer.io/integrations/api/app/
- type: Documentation
url: https://docs.customer.io/integrations/data-in/connections/http-api/
- aid: customer-io:customer-io-snippets-api
name: Customer.io Snippets API
description: Manage reusable content snippets for use in messages.
humanURL: https://docs.customer.io/integrations/api/track/
baseURL: https://api.customer.io
tags:
- Snippets
properties:
- type: OpenAPI
url: openapi/customer-io-snippets-api-openapi.yml
- type: Documentation
url: https://docs.customer.io/integrations/api/app/
- type: Documentation
url: https://docs.customer.io/integrations/data-in/connections/http-api/
- aid: customer-io:customer-io-transactional-api
name: Customer.io Transactional API
description: Send transactional messages such as password resets, purchase receipts, and other important notifications triggered
by user actions.
humanURL: https://docs.customer.io/integrations/api/track/
baseURL: https://api.customer.io
tags:
- Transactional
properties:
- type: OpenAPI
url: openapi/customer-io-transactional-api-openapi.yml
- type: Documentation
url: https://docs.customer.io/integrations/api/app/
- type: Documentation
url: https://docs.customer.io/integrations/data-in/connections/http-api/
- aid: customer-io:app-api
name: Customer.io App API
description: 'The Customer.io App API is the workspace-management and outbound-messaging surface: trigger broadcasts, send
transactional email, push, SMS, in-app and inbox messages, manage campaigns, newsletters, segments, snippets, collections,
Design Studio content and assets, read delivery metrics, and export people and delivery data. This entry points at the
166-operation OpenAPI 3.1.0 document Customer.io publishes itself. Authorization is a bearer App API Key, with service-account
tokens (sa_live_) additionally accepted on the transactional send endpoints.'
baseURL: https://api.customer.io
humanURL: https://docs.customer.io/integrations/api/app/
tags:
- Broadcasts
- Campaigns
- Messaging
- Transactional Email
- Newsletters
- Segments
properties:
- type: OpenAPI
url: openapi/_original/customer-io-app-api-openapi.json
- type: Overlay
url: overlays/customer-io-app-api-overlay.yaml
- type: Documentation
url: https://docs.customer.io/integrations/api/app/
- type: APIReference
url: https://docs.customer.io/integrations/api/customerio-apis/
- aid: customer-io:pipelines-api
name: Customer.io Pipelines API
description: The Customer.io Pipelines (CDP) API is the Segment-spec data ingestion interface Customer.io recommends for
new integrations — identify, track, page, screen, group, alias and batch, all POST-only, with deletes and other state
changes expressed as semantic events rather than HTTP verbs. This entry points at the OpenAPI 3.1.0 document Customer.io
publishes itself. Authorization is HTTP basic with the CDP API key as the username and a blank password.
baseURL: https://cdp.customer.io/v1
humanURL: https://docs.customer.io/integrations/data-in/connections/http-api/
tags:
- CDP
- Data Ingestion
- Customer Data
- Event Tracking
properties:
- type: OpenAPI
url: openapi/_original/customer-io-pipelines-api-openapi.json
- type: Overlay
url: overlays/customer-io-pipelines-api-overlay.yaml
- type: Documentation
url: https://docs.customer.io/integrations/data-in/connections/http-api/
- aid: customer-io:reporting-webhooks
name: Customer.io Reporting Webhooks
description: Customer.io's outbound message-lifecycle event stream. Eight event families — customer, email, sms, whatsapp,
push, in_app, slack and webhook — each carrying a metric such as drafted, sent, delivered, opened, clicked, converted,
bounced, spammed or failed, plus the full set of foreign keys that tie the event back to the delivery, person, campaign,
broadcast, newsletter and journey that produced it. Requests are signed with x-cio-signature, an HMAC-SHA256 of the body,
and stamped with x-cio-timestamp.
baseURL: https://api.customer.io
humanURL: https://docs.customer.io/integrations/api/webhooks/
tags:
- Webhook
- Event
- Reporting
- Messaging
tags_raw:
- Webhooks
- Events
- Reporting
- Messaging
properties:
- type: OpenAPI
url: openapi/_original/customer-io-reporting-webhooks-openapi.json
- type: Webhooks
url: openapi/_original/customer-io-reporting-webhooks-openapi.json
- type: AsyncAPI
url: asyncapi/customer-io-reporting-webhooks-asyncapi.yml
- type: Overlay
url: overlays/customer-io-reporting-webhooks-overlay.yaml
- type: Documentation
url: https://docs.customer.io/integrations/api/webhooks/
- aid: customer-io:mcp
name: Customer.io MCP
description: Customer.io's first-party hosted Model Context Protocol server. It exposes the full Journeys App API and CDP
Data Pipelines API to any MCP client through eight tools — a context primer, a schema browser, three verb-scoped HTTP
proxies split so reads can be approved independently of writes and deletes, a two-tool skill library, and an auth-status
probe. Authorization is OAuth 2.1 with PKCE and dynamic client registration, bound to the authorizing user's own Customer.io
permissions.
baseURL: https://mcp.customer.io/mcp
humanURL: https://docs.customer.io/ai/mcp/get-started/
tags:
- MCP
- Agents
- Artificial Intelligence
tags_raw:
- MCP
- Agents
- AI
properties:
- type: MCPServer
url: mcp/customer-io-mcp.yml
- type: ToolCrosswalk
url: mcp/customer-io-tool-crosswalk.yml
- type: OAuthScopes
url: scopes/customer-io-scopes.yml
- type: Documentation
url: https://docs.customer.io/ai/mcp/get-started/
common:
- type: Plans
url: plans/customer-io-plans-pricing.yml
- type: RateLimits
url: rate-limits/customer-io-rate-limits.yml
- type: FinOps
url: finops/customer-io-finops.yml
- type: AgenticAccess
url: agentic-access/customer-io-agentic-access.yml
- type: TrustCenter
url: security/customer-io-trust-center.yml
- type: VulnerabilityDisclosure
url: security/customer-io-vulnerability-disclosure.yml
- type: DomainSecurity
url: security/customer-io-domain-security.yml
- type: Authentication
url: authentication/customer-io-authentication.yml
- type: GitHubOrganization
url: https://github.com/customerio
- type: LinkedIn
url: https://www.linkedin.com/company/customer-io
- type: Website
url: https://customer.io
- type: Documentation
url: https://docs.customer.io
- type: AsyncAPI
url: asyncapi/customer-io-reporting-webhooks-asyncapi.yml
- type: JSONSchema
url: json-schema/customer-io-customer-schema.json
- type: JSONSchema
url: json-schema/customer-io-event-schema.json
- type: JSONSchema
url: json-schema/customer-io-webhook-payload-schema.json
- type: JSONLD
url: json-ld/customer-io-context.jsonld
- type: Vocabulary
url: vocabulary/customer-io-vocabulary.yml
- type: Rules
url: rules/customer-io-rules.yml
- type: Integrations
url: https://customer.io/integrations
- type: LlmsText
url: https://docs.customer.io/llms.txt
- type: Packages
url: packages/customer-io-packages.yml
- type: SDKs
url: packages/customer-io-packages.yml
- type: CLI
url: cli/customer-io-cli.yml
- type: MCPServer
url: mcp/customer-io-mcp.yml
- type: ToolCrosswalk
url: mcp/customer-io-tool-crosswalk.yml
- type: AgentCard
url: a2a/customer-io-a2a.yml
- type: AgentSkill
url: skills/_index.yml
- type: WellKnown
url: well-known/customer-io-well-known.yml
- type: LLMsTxt
url: llms/customer-io-llms.txt
- type: OAuthScopes
url: scopes/customer-io-scopes.yml
- type: Conventions
url: conventions/customer-io-conventions.yml
- type: ErrorCatalog
url: errors/customer-io-problem-types.yml
- type: Lifecycle
url: lifecycle/customer-io-lifecycle.yml
- type: StatusPage
url: https://status.customerio.com
- type: ChangeLog
url: changelog/customer-io-changelog.yml
- type: Conformance
url: conformance/customer-io-conformance.yml
- type: Compliance
url: conformance/customer-io-conformance.yml
- type: Security
url: https://customer.io/legal/reporting-vulnerability
- type: DataModel
url: data-model/customer-io-data-model.yml
- type: Sandbox
url: sandbox/customer-io-sandbox.yml
- type: Webhooks
url: openapi/_original/customer-io-reporting-webhooks-openapi.json
- type: Overlay
url: overlays/customer-io-app-api-overlay.yaml
- type: APICatalog
url: well-known/customer-io-api-catalog.json
- type: DeveloperPortal
url: https://docs.customer.io/integrations/api/customerio-apis/
- type: APIReference
url: https://docs.customer.io/integrations/api/customerio-apis/
- type: GettingStarted
url: https://docs.customer.io/get-started/
- type: Support
url: https://customer.io/contact
- type: Blog
url: https://customer.io/blog/
- type: Pricing
url: https://customer.io/pricing
- type: SignUp
url: https://fly.customer.io/signup
- type: Login
url: https://fly.customer.io/login
- type: TermsOfService
url: https://customer.io/legal/terms-of-service
- type: PrivacyPolicy
url: https://customer.io/legal/privacy-policy
- type: Academy
url: https://academy.customer.io/pages/get-started
integrations:
- name: See all integrations See all integrations
maintainers:
- FN: Kin Lane
email: kin@apievangelist.com
specificationVersion: '0.23'
created: '2024-01-01'
modified: '2026-08-13'
name: Customer.io
tags:
- Behavioral Data
- Broadcasts
- Campaigns
- CDP
- Customer Data
- Customer Data Platform
- Data Ingestion
- Email
- Event Tracking
- Marketing Automation
- Messaging
- Push Notifications
- Segments
- SMS
- Transactional Email
description: Customer.io is a customer engagement platform that combines a customer data platform, marketing automation, and
messaging delivery to send behavior-triggered email, push, SMS, and in-app messages. Its API surface includes the Track
API for sending behavioral data and customer profile updates, the App API for managing workspace resources and sending transactional
and broadcast messages, the Pipelines API which is a Segment-spec data ingestion interface, and outbound reporting webhooks
that deliver message lifecycle events.
x-enrichment:
date: '2026-08-13'
status: enriched
artifacts_added: 33
pass: local-v1
Kin Score
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