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Smartlead
Smartlead
Smartlead is cold email infrastructure for outbound sales and lead generation, focused on inbox deliverability through unlimited mailbox rotation, automated warmup, and a unified master inbox. Smartlead exposes a REST API at server.smartlead.ai/api/v1 covering campaigns, leads, email accounts, email warmup, webhooks, analytics, and client management, with API key authentication via query parameter.
7 APIs
0 Features
Cold Email Outbound Sales Deliverability Email Warmup Automation Sequences
Smartlead publishes 7 APIs on the APIs.io network. Tagged areas include Cold Email, Outbound, Sales, Deliverability, and Email Warmup.
Smartlead’s developer surface includes documentation, API reference, getting-started guide, pricing, engineering blog, signup flow, YouTube channel, and 8 more developer resources.
REST endpoints to create, list, fetch, update, schedule, pause, resume, and delete email campaigns, plus manage sequences, A/B variants, and sender account assignments inside a ...
Endpoints to add leads to a campaign in bulk, fetch leads, update lead status (interested, replied, unsubscribed), search leads globally, and manage lead categories.
Endpoints to add, list, update, and remove sender mailboxes (SMTP, Gmail, Outlook), assign them to campaigns, and track per-account sending limits and warmup state.
Endpoints for managing Smartlead's deliverability warmup engine — enabling warmup per mailbox, configuring ramp settings, and reading warmup reputation and stats.
CRUD endpoints for campaign-scoped webhook subscriptions covering lead events (sent, opened, clicked, replied, bounced, unsubscribed) used to stream Smartlead activity to extern...
Endpoints for campaign and account-level analytics — sent, open, click, reply, bounce, and unsubscribe metrics aggregated over time ranges.
Endpoints for agency users to provision and manage white-labeled client accounts, assign permissions, and meter usage across multiple end customers.
Sources
aid: smartlead-ai
url: https://raw.githubusercontent.com/api-evangelist/smartlead-ai/refs/heads/main/apis.yml
name: Smartlead
kind: company
description: >-
Smartlead is cold email infrastructure for outbound sales and lead
generation, focused on inbox deliverability through unlimited mailbox
rotation, automated warmup, and a unified master inbox. Smartlead exposes a
REST API at server.smartlead.ai/api/v1 covering campaigns, leads, email
accounts, email warmup, webhooks, analytics, and client management, with API
key authentication via query parameter.
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
tags:
- Cold Email
- Outbound
- Sales
- Deliverability
- Email Warmup
- Automation
- Sequences
created: '2026-05-23'
modified: '2026-05-23'
specificationVersion: '0.19'
apis:
- aid: smartlead-ai:campaigns-api
name: Smartlead Campaigns API
description: >-
REST endpoints to create, list, fetch, update, schedule, pause, resume,
and delete email campaigns, plus manage sequences, A/B variants, and
sender account assignments inside a campaign.
humanURL: https://api.smartlead.ai/reference/campaigns
baseURL: https://server.smartlead.ai/api/v1/campaigns
tags:
- Campaigns
- Sequences
- Scheduling
properties:
- type: Documentation
url: https://api.smartlead.ai/reference
- aid: smartlead-ai:leads-api
name: Smartlead Leads API
description: >-
Endpoints to add leads to a campaign in bulk, fetch leads, update lead
status (interested, replied, unsubscribed), search leads globally, and
manage lead categories.
humanURL: https://api.smartlead.ai/reference/leads
baseURL: https://server.smartlead.ai/api/v1
tags:
- Leads
- Contacts
- Prospects
properties:
- type: Documentation
url: https://api.smartlead.ai/reference
- aid: smartlead-ai:email-accounts-api
name: Smartlead Email Accounts API
description: >-
Endpoints to add, list, update, and remove sender mailboxes (SMTP, Gmail,
Outlook), assign them to campaigns, and track per-account sending limits
and warmup state.
humanURL: https://api.smartlead.ai/reference/email-accounts
baseURL: https://server.smartlead.ai/api/v1/email-accounts
tags:
- Email Accounts
- SMTP
- Mailboxes
properties:
- type: Documentation
url: https://api.smartlead.ai/reference
- aid: smartlead-ai:email-warmup-api
name: Smartlead Email Warmup API
description: >-
Endpoints for managing Smartlead's deliverability warmup engine —
enabling warmup per mailbox, configuring ramp settings, and reading
warmup reputation and stats.
humanURL: https://api.smartlead.ai/reference/email-warmup
baseURL: https://server.smartlead.ai/api/v1/email-accounts
tags:
- Warmup
- Deliverability
- Reputation
properties:
- type: Documentation
url: https://api.smartlead.ai/reference
- aid: smartlead-ai:webhooks-api
name: Smartlead Webhooks API
description: >-
CRUD endpoints for campaign-scoped webhook subscriptions covering lead
events (sent, opened, clicked, replied, bounced, unsubscribed) used to
stream Smartlead activity to external systems.
humanURL: https://api.smartlead.ai/reference/webhooks
baseURL: https://server.smartlead.ai/api/v1/webhooks
tags:
- Webhooks
- Events
- Subscriptions
properties:
- type: Documentation
url: https://api.smartlead.ai/reference
- aid: smartlead-ai:analytics-api
name: Smartlead Analytics API
description: >-
Endpoints for campaign and account-level analytics — sent, open, click,
reply, bounce, and unsubscribe metrics aggregated over time ranges.
humanURL: https://api.smartlead.ai/reference/analytics
baseURL: https://server.smartlead.ai/api/v1
tags:
- Analytics
- Reporting
- Metrics
properties:
- type: Documentation
url: https://api.smartlead.ai/reference
- aid: smartlead-ai:client-management-api
name: Smartlead Client Management API
description: >-
Endpoints for agency users to provision and manage white-labeled client
accounts, assign permissions, and meter usage across multiple end
customers.
humanURL: https://api.smartlead.ai/reference/client-management
baseURL: https://server.smartlead.ai/api/v1
tags:
- Clients
- Agency
- Multi-Tenant
properties:
- type: Documentation
url: https://api.smartlead.ai/reference
common:
- type: Website
url: https://www.smartlead.ai
- type: App
url: https://app.smartlead.ai
- type: Documentation
url: https://api.smartlead.ai/reference
- type: APIReference
url: https://api.smartlead.ai/reference
- type: GettingStarted
url: https://api.smartlead.ai
- type: Pricing
url: https://www.smartlead.ai/pricing
- type: Blog
url: https://www.smartlead.ai/blog
- type: SignUp
url: https://app.smartlead.ai/signup
- type: SignIn
url: https://app.smartlead.ai/login
- type: Help
url: https://help.smartlead.ai
- type: PrivacyPolicy
url: https://www.smartlead.ai/privacy-policy
- type: TermsOfService
url: https://www.smartlead.ai/terms-of-service
- type: LinkedIn
url: https://www.linkedin.com/company/smartleadhq
- type: Twitter
url: https://x.com/smartlead_ai
- type: YouTube
url: https://www.youtube.com/@smartlead
integrations:
- name: Clay
- name: HubSpot
- name: Salesforce
- name: Pipedrive
- name: Zapier
- name: Make
- name: n8n
- name: Slack
maintainers:
- FN: Kin Lane
email: [email protected]