Create a new campaign in DRAFTED status. This creates persistent account data but does not send email or start the campaign.

Create an organizational folder for Smart Delivery tests. This creates persistent data but does not run or send a test.

Permanently delete a campaign and all associated sequences, mappings, and statistics. This is irreversible and requires explicit confirmation.

Remove one lead from a selected campaign without deleting the campaign.

Delete an empty Smart Delivery folder. The folder must contain no tests, and deletion requires explicit confirmation.

Get configuration and performance summary for one Smartlead campaign by ID.

Retrieve lifetime campaign performance analytics, or date-bounded analytics when start and end dates are supplied together.

Get configuration and performance summaries for 1-20 Smartlead campaigns. Returns one success or failure result per campaign ID.

Get a campaign's ordered email sequence steps, including message content, delays, and A/B test variants.

Return one offset-paginated page of email-level campaign statistics, optionally filtered by sequence step, engagement status, or sent time.

Get the documented configuration for one Smart Delivery spam test by ID.

Retrieve recent daily warmup performance statistics for one Smartlead sending account.

Retrieve one Master Inbox conversation by campaign-lead-map ID, including its complete message history when the thread contains messages.

Find an account-wide Smartlead lead by exact email address and return its contact details and campaign memberships.

Get a campaign lead's email conversation history, optionally filtering by time and including plain text bodies.

Get Smart Prospect lead-search metrics, fetch counts, daily limits, and available credit balance. This read does not consume credits.

Return one offset-paginated page of leads in a campaign with optional status, category, engagement, and date filters.

List campaigns visible to the connected Smartlead account, optionally for one client.

List folders used to organize Smart Delivery tests.

List Smart Delivery spam and inbox-placement tests. This POST endpoint is read-only and does not create or send a test.

List connected sending accounts with health, warmup, usage, provider, and campaign filters. Credential-like response fields are always removed.

List lead replies across campaigns from Master Inbox using bounded filters and one page at a time. This reads email content but does not send or modify messages.

List and search Smart Prospect industry filter values without searching contacts or consuming contact-fetch credits.

List domains already purchased through Smart Senders. This is read-only and does not purchase domains or provision mailboxes.

List saved Smart Prospect search definitions without executing them or consuming contact-search credits.

List Smart Senders marketplace vendors and current domain/mailbox pricing without placing an order.

Resume a paused lead in a campaign, optionally after a delay.

Check Smart Senders marketplace domain availability for a vendor. This read-only search does not purchase a domain, place an order, or provision mailboxes.

Search one page of Smart Prospect contacts. The initial call and every explicit continuation may consume credits; inspect usage first, choose the smallest useful limit, and confirm each page.

Immediately send one email outside a campaign from a connected Smartlead sender account. This externally visible action cannot be undone.

Permanently unsubscribe a campaign lead from future email. This cannot be undone through the Smartlead API.

Update one campaign lead's contact information and merge custom fields using Smartlead's current campaign-lead endpoint.

Start, pause, stop, or archive a campaign. STOPPED is permanent and cannot be undone; START can begin sending emails.