Sendlane website screenshot

Sendlane

Email and SMS marketing platform built for e-commerce brands, unifying email, SMS, reviews and forms in one account. The Sendlane v2 REST API manages contacts, lists, segments, tags, custom fields, sender profiles, suppression lists and email and SMS consent, returns campaign and SMS performance and revenue reporting, and ingests e-commerce behaviour events such as product views, cart abandonment and orders placed to drive automations and revenue attribution.

Sendlane publishes 1 API on the APIs.io network. Tagged areas include Email Marketing, SMS Marketing, E-Commerce, Marketing Automation, and Contacts.

The Sendlane catalog on APIs.io includes 1 event-driven AsyncAPI specification and 1 JSON-LD context.

Sendlane’s developer surface includes authentication, documentation, engineering blog, pricing, sandbox, changelog, getting-started guide, and 30 more developer resources.

🌐 Visit website 📡 Source on GitHub
65.1/100 strong ▬ flat Agent 36/100 agent ready Full breakdown ↓
scored 2026-08-20 · rubric v0.12.0
AccessFreemiumFree trial
1 APIs 1 MCP Servers
Email MarketingSMS MarketingE-CommerceMarketing AutomationContactsCampaignsSegmentationConsent ManagementSuppressionEvent TrackingRevenue Attribution

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-20 · rubric v0.12.0
Composite quality — 65.1/100 · strong
Contract Quality 17.7 / 25
Developer Ergonomics 12.7 / 20
Access Clarity 16.8 / 20
Operational Transparency 8.2 / 13
Contract Governance 2.0 / 12
Discoverability 7.6 / 10
Agent readiness — 36/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract 0 / 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 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
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/sendlane: 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 1

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

Sendlane API

REST API for managing contacts, lists, campaigns, automations, custom fields, sender profiles, tags, and custom integration events for e-commerce email and SMS marketing.

Open Collections 1

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

Api Reference

OPEN COLLECTION

MCP Servers 1

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

Sendlane MCP Server (candidate)

Sendlane ships no Model Context Protocol server. This is a CANDIDATE tool list derived from the 82 operations in the published OpenAPI, showing what an MCP server over the Sendl...

MCP SERVER

Pricing Plans 1

Published pricing tiers and plan structures.

Sendlane Plans Pricing

4 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Sendlane Rate Limits

1 limits

RATE LIMITS

FinOps 1

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

Sendlane Finops

FINOPS

Event Specifications 1

AsyncAPI definitions for this provider's event-driven and streaming APIs.

Sendlane Webhooks

ASYNCAPI

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Sendlane Context

4 classes · 14 properties

JSON-LD

Security Posture 2

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

Sendlane Authentication

apiKey · 2 schemes

SECURITY

Sendlane Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Resources

Get Started 5

Portal, sign-up, and the first successful call

Sandbox
Sandbox
 DeveloperPortal
DeveloperPortal
 GettingStarted
GettingStarted
 SignUp
SignUp
 Login
Login

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

MCPServer
MCPServer
 LLMsTxt
LLMsTxt
 AgentSkill
AgentSkill

Design & Contract 8

Pagination, idempotency, versioning, errors, and events

Conventions
Conventions
 ErrorCatalog
ErrorCatalog
 DataModel
DataModel
 Lifecycle
Lifecycle
 Conformance
Conformance
 Webhooks
Webhooks
 Components
Components
 JSONLDContext
JSONLDContext

Scroll for all 8

Build 4

SDKs, sample code, and the tooling you integrate with

GitHubOrg
GitHubOrg
 Packages
Packages
 GitHubOrganization
GitHubOrganization
 PostmanWorkspace
PostmanWorkspace

Access & Security 2

Authentication, authorization, and security posture

Authentication
Authentication
 DomainSecurity
DomainSecurity

Operate 5

Status, limits, changes, and where to get help

StatusPage
StatusPage
 RateLimits
RateLimits
 ChangeLog
ChangeLog
 Support
Support
 HelpCenter
HelpCenter

Commercial 5

Pricing, plans, and the legal terms of use

Pricing
Pricing
 Plans
Plans
 FinOps
FinOps
 TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 3

The organization behind the API

Website
Website
 LinkedIn
LinkedIn
 Blog
Blog

Other 1

Properties that don't map to a standard resource type

X
X

Source (apis.yml)

apis.yml Raw ↑ 
aid: sendlane
name: Sendlane
description: Email and SMS marketing platform built for e-commerce brands, unifying email, SMS, reviews and forms in one account.
  The Sendlane v2 REST API manages contacts, lists, segments, tags, custom fields, sender profiles, suppression lists and
  email and SMS consent, returns campaign and SMS performance and revenue reporting, and ingests e-commerce behaviour events
  such as product views, cart abandonment and orders placed to drive automations and revenue attribution.
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: true
  try_now: false
  public: false
  label: Freemium (free trial)
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/sendlane.png
url: https://raw.githubusercontent.com/api-evangelist/sendlane/refs/heads/main/apis.yml
created: '2026-06-13'
modified: '2026-08-13'
specificationVersion: '0.23'
tags:
- Email Marketing
- SMS Marketing
- E-Commerce
- Marketing Automation
- Contacts
- Campaigns
- Segmentation
- Consent Management
- Suppression
- Event Tracking
- Revenue Attribution
apis:
- aid: sendlane:sendlane-api
  name: Sendlane API
  description: REST API for managing contacts, lists, campaigns, automations, custom fields, sender profiles, tags, and custom
    integration events for e-commerce email and SMS marketing.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://sendlane.stoplight.io/docs/api-documentation/c53add3c8b16f-overview
  baseURL: https://api.sendlane.com/v2
  tags:
  - Email Marketing
  - SMS Marketing
  - Contacts
  - Campaigns
  - Automations
  - List
  - Tags
  tags_raw:
  - Email Marketing
  - SMS Marketing
  - Contacts
  - Campaigns
  - Automations
  - Lists
  - Tags
  properties:
  - type: Documentation
    url: https://sendlane.stoplight.io/docs/api-documentation/c53add3c8b16f-overview
  - type: APIReference
    url: https://sendlane.stoplight.io/docs/api-documentation/267c762bd945b-api-reference
  - type: OpenAPI
    url: openapi/sendlane-openapi.yml
  - type: Overlay
    url: overlays/sendlane-openapi-overlay.yaml
  - type: PostmanCollection
    url: https://www.postman.com/sendlane/sendlane-s-public-workspace/documentation/xl7jbbs/sendlane-api
  - type: RateLimits
    url: https://sendlane.stoplight.io/docs/api-documentation/80256ed7dae2a-rate-limits
  - type: Authentication
    url: https://sendlane.stoplight.io/docs/api-documentation/ZG9jOjk3NDY2OQ-authentication
  - type: ErrorCodes
    url: https://sendlane.stoplight.io/docs/api-documentation/ZG9jOjQwMjk2NTQ-responses
  - type: Pagination
    url: https://sendlane.stoplight.io/docs/api-documentation/ZG9jOjk3NDY3MA-pagination
common:
- type: Authentication
  url: authentication/sendlane-authentication.yml
- type: DomainSecurity
  url: security/sendlane-domain-security.yml
- type: Website
  url: https://www.sendlane.com/
- type: Documentation
  url: https://sendlane.stoplight.io/docs/api-documentation/c53add3c8b16f-overview
- type: GitHubOrg
  url: https://github.com/sendlane
- type: LinkedIn
  url: https://www.linkedin.com/company/sendlane/
- type: Blog
  url: https://www.sendlane.com/blog
- type: Pricing
  url: https://www.sendlane.com/pricing
- type: StatusPage
  url: https://status.sendlane.com/
- type: X
  url: https://twitter.com/sendlane
- type: Plans
  url: plans/sendlane-plans-pricing.yml
- type: RateLimits
  url: rate-limits/sendlane-rate-limits.yml
- type: FinOps
  url: finops/sendlane-finops.yml
- type: Conventions
  url: conventions/sendlane-conventions.yml
- type: ErrorCatalog
  url: errors/sendlane-problem-types.yml
- type: DataModel
  url: data-model/sendlane-data-model.yml
- type: Lifecycle
  url: lifecycle/sendlane-lifecycle.yml
- type: Conformance
  url: conformance/sendlane-conformance.yml
- type: Webhooks
  url: asyncapi/sendlane-webhooks.yml
- type: Sandbox
  url: sandbox/sendlane-sandbox.yml
- type: Components
  url: components/sendlane-components.yml
- type: ChangeLog
  url: changelog/sendlane-changelog.yml
- type: Packages
  url: packages/sendlane-packages.yml
- type: MCPServer
  url: mcp/sendlane-mcp.yml
- type: LLMsTxt
  url: llms/sendlane-llms.txt
- type: AgentSkill
  url: skills/_index.yml
- type: JSONLDContext
  url: json-ld/sendlane-context.jsonld
- type: DeveloperPortal
  url: https://sendlane.stoplight.io/docs/api-documentation/c53add3c8b16f-overview
- type: GettingStarted
  url: https://help.sendlane.com/articles/3807111349-sendlane-custom-integration-setup-api-v2
- type: Support
  url: https://www.sendlane.com/contact-us
- type: HelpCenter
  url: https://help.sendlane.com/
- type: GitHubOrganization
  url: https://github.com/sendlane
- type: PostmanWorkspace
  url: https://www.postman.com/sendlane/sendlane-s-public-workspace
- type: SignUp
  url: https://auth.sendlane.com/register
- type: Login
  url: https://auth.sendlane.com/login
- type: TermsOfService
  url: https://www.sendlane.com/terms
- type: PrivacyPolicy
  url: https://www.sendlane.com/privacy
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
x-enrichment:
  date: '2026-08-13'
  status: enriched
  artifacts_added: 22
  pass: local-v1