> For the complete documentation index, see [llms.txt](https://docs.coupler.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.coupler.io/sources/category/email.md). # Email - [BigMailer](https://docs.coupler.io/sources/category/email/bigmailer.md): Connect BigMailer to Coupler.io to pull campaign performance, contacts, lists, and suppression data into sheets or dashboards. - [Data Overview](https://docs.coupler.io/sources/category/email/bigmailer/data-overview.md): BigMailer entities include Brands, Contacts, Lists, Campaigns, and Suppression data — map your email marketing structure in Coupler.io. - [Common Issues](https://docs.coupler.io/sources/category/email/bigmailer/common-issues.md): Fix BigMailer API key rejection, permission errors, and data flow failures with proper scoping and key regeneration steps. - [Best Practices](https://docs.coupler.io/sources/category/email/bigmailer/best-practices.md): Set up separate sources per BigMailer brand and use Append transformations to merge multi-brand email data cleanly. - [FAQ](https://docs.coupler.io/sources/category/email/bigmailer/faq.md): Find your BigMailer API key in Account Settings, pull multi-brand data in one flow, and manage contact field mappings. - [Braze](https://docs.coupler.io/sources/category/email/braze.md): Connect Braze campaigns, canvases, and segments to Google Sheets or BigQuery via Coupler.io — automate marketing performance reporting. - [Data Overview](https://docs.coupler.io/sources/category/email/braze/data-overview.md): Braze entities include campaigns, canvases, events, cards, and segments with list, analytics, and details variants for complete campaign insights. - [Common Issues](https://docs.coupler.io/sources/category/email/braze/common-issues.md): Troubleshoot Braze API authentication, endpoint errors, and missing campaign data — verify keys, permissions, and data availability. - [Best Practices](https://docs.coupler.io/sources/category/email/braze/best-practices.md): Join Braze list and analytics entities to build enriched dashboards combining campaign names with performance metrics like opens and conversions. - [FAQ](https://docs.coupler.io/sources/category/email/braze/faq.md): Start with Braze Campaigns and Canvases analytics for marketing KPIs — learn entity types and data structure for dashboard building. - [Brevo](https://docs.coupler.io/sources/category/email/brevo.md): Connect Brevo to Coupler.io to sync contacts, segments, campaign stats, and CRM deals into Google Sheets or data warehouses automatically. - [Data Overview](https://docs.coupler.io/sources/category/email/brevo/data-overview.md): Explore Brevo entities including contacts, custom attributes, folders, lists, campaigns, and SMS data available through Coupler.io. - [Common Issues](https://docs.coupler.io/sources/category/email/brevo/common-issues.md): Fix Brevo connection errors — invalid API keys, missing data, authentication failures, and entity selection troubleshooting. - [Best Practices](https://docs.coupler.io/sources/category/email/brevo/best-practices.md): Optimize Brevo syncs by pairing contacts with attributes, using multi-source flows for list exports, and scheduling refreshes efficiently. - [FAQ](https://docs.coupler.io/sources/category/email/brevo/faq.md): Find your Brevo API key, connect multiple accounts, export list-specific contacts, and resolve permission or data visibility questions. - [Campaign Monitor](https://docs.coupler.io/sources/category/email/campaign-monitor.md): Connect Campaign Monitor to Coupler.io to export email campaigns, subscribers, and performance metrics into Google Sheets, BigQuery, or your data warehouse. - [Data Overview](https://docs.coupler.io/sources/category/email/campaign-monitor/data-overview.md): Access Campaign Monitor's sent, draft, and scheduled campaigns plus subscriber lists and engagement metrics via Coupler.io data connectors. - [Common Issues](https://docs.coupler.io/sources/category/email/campaign-monitor/common-issues.md): Fix Campaign Monitor API key errors — account vs. client scope issues, key trimming, and permission gaps affecting data sync. - [Best Practices](https://docs.coupler.io/sources/category/email/campaign-monitor/best-practices.md): Set up Campaign Monitor exports with account-level API keys, historical date filters, and suppression list management for multi-client accounts. - [FAQ](https://docs.coupler.io/sources/category/email/campaign-monitor/faq.md): Learn the differences between Campaign Monitor account-level and client-level API keys, and which works best for multi-client agency setups. - [Campayn](https://docs.coupler.io/sources/category/email/campayn.md): Pull Campayn contacts, lists, forms, and email reports into Google Sheets or BigQuery via Coupler.io for unified marketing analytics. - [Data Overview](https://docs.coupler.io/sources/category/email/campayn/data-overview.md): Explore Campayn entities — Lists, Forms, Contacts, Emails, and Reports — to audit subscribers, track sign-ups, and measure campaign engagement. - [Common Issues](https://docs.coupler.io/sources/category/email/campayn/common-issues.md): Fix Campayn connection errors — API key validation, authentication failures, and data flow issues explained and resolved. - [Best Practices](https://docs.coupler.io/sources/category/email/campayn/best-practices.md): Join Campayn Emails and Reports by campaign ID, aggregate metrics, and combine multi-account data for complete campaign visibility. - [FAQ](https://docs.coupler.io/sources/category/email/campayn/faq.md): How does Campayn authentication work? Can you sync multiple accounts? Get answers on API keys, data entities, and Coupler.io setup. - [Kit](https://docs.coupler.io/sources/category/email/convertkit.md): Connect Kit to Google Sheets, BigQuery, or AI tools via Coupler.io. Export subscribers, broadcasts, sequences, and purchases automatically. - [Data Overview](https://docs.coupler.io/sources/category/email/convertkit/data-overview.md): Explore Kit data available in Coupler.io — subscribers, broadcasts, sequences, tags, purchases, and custom fields explained. - [Common Issues](https://docs.coupler.io/sources/category/email/convertkit/common-issues.md): Fix Kit connection problems, missing subscribers, API key errors, and data gaps when syncing Kit data through Coupler.io. - [Best Practices](https://docs.coupler.io/sources/category/email/convertkit/best-practices.md): Get accurate Kit exports — tips for filtering subscribers, combining entities, and keeping broadcast and purchase data clean. - [FAQ](https://docs.coupler.io/sources/category/email/convertkit/faq.md): Common questions about syncing Kit data with Coupler.io — API keys, entities, date filters, and multi-account setups. - [Zoho Campaign](https://docs.coupler.io/sources/category/email/zoho-campaign.md): Connect Zoho Campaigns to Coupler.io to centralize email performance data, subscriber lists, and campaign reports for analysis across your business. - [Data Overview](https://docs.coupler.io/sources/category/email/zoho-campaign/data-overview.md): Explore Zoho Campaigns entities: campaign reports with opens/clicks/bounces, recent campaigns, sent campaign status, and subscriber lists for complete email ins - [Common Issues](https://docs.coupler.io/sources/category/email/zoho-campaign/common-issues.md): Fix Zoho Campaigns connection errors — invalid API keys, authentication failures, and data loading issues with step-by-step troubleshooting. - [Best Practices](https://docs.coupler.io/sources/category/email/zoho-campaign/best-practices.md): Join campaign details with performance reports, use Append for multi-account data, and optimize refresh schedules for accurate email campaign analysis. - [FAQ](https://docs.coupler.io/sources/category/email/zoho-campaign/faq.md): Find your Zoho Campaigns API key, connect multiple accounts, troubleshoot permission gaps, and set up reliable data syncs to your reporting destination. --- # Agent Instructions This documentation is published with GitBook. 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