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description= By default, tracked links that use your custom subdomain as specified with the CNAME record are basic HTTP links. You can enable HTTPS link tracking by configuring your link tracking and we’ll automatically generate a valid SSL certificate and proxy links to our link tracking domain for you.;
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Text of the page (random words):
ns global unsubscribes the subscription center brand your subscription pages subscription faqs manage subscription preferences subscription preference metrics multi language support for the subscription center migrate subscription preferences set preferences outside of the subscription center find messages using the message library assets library store files image requirements message statuses deliveries drafts data liquid personalization personalize messages with liquid liquid upgrade liquid syntax list liquid recipes personalize actions with javascript reusing content with snippets composer errors metrics metrics overview goals campaign and broadcast metrics home dashboard workspace performance dashboard analysis page reports email client metrics email deliverability metrics understanding your a b test results getting conclusive results from a b tests failed and attempted messages integrations integration directory get started quick start guide understanding integrations in customer io troubleshooting data compliance and privacy data in introduction source specs understanding incoming data identify group page screen track alias common fields custom events semantic events understanding semantic events a b test events customer io events ecommerce events email events live chat events mobile app lifecycle events video playback events backfill historical data proxying requests to customer io connections customer io api journeys message metrics mobile app sources forms get started formstack jotform squarespace typeform unbounce webflow wordpress with wpforms custom js integrations facebook lead ads use form data in customer io forms api backend integrations edit or disconnect forms javascript getting started javascript frameworks method reference migrate from another service managing identities cookies and identity management utility methods and performance in app messages notification inbox content security policy csp proxying the javascript client legacy javascript get started identify people track and page events in app messages content security policy csp track api integrations add a classic track api integration advanced transform data invalid track api requests hubspot beta get started map hubspot data to customer io filter incoming data deleting data hubspot forms reverse etl about reverse etl amazon redshift google bigquery microsoft sql server mysql postgresql snowflake legacy integrations reverse etl overview amazon redshift google bigquery microsoft sql server mysql postgresql snowflake salesforce getting started map salesforce data to customer io map data to other services scheduled syncs deleting data api call calculator servers node js python go customer data platforms segment segment data in classic rudderstack mparticle legacy webhook based integrations using zapier with the track api zoho integration hubspot integration data out getting started add a data out integration actions action triggers code mode database warehouse integrations introduction standard integrations advanced integrations filtering and mapping actions resend past data connections actable predictive adobe target algolia insights amazon redshift amazon redshift advanced amazon s3 amazon s3 advanced amplitude amplitude message metrics attio azure blob storage bing ads braze braze cohorts clevertap close commandbar cordial criteo audiences customer io facebook conversions api friendbuy fullstory gainsight px google ad conversions google ads gtag google analytics google bigquery google bigquery advanced google cloud storage google cloud storage advanced google sheets google tag manager gtm heap hubspot intercom koala launchdarkly livelike logrocket meta facebook pixel metronome mixpanel mixpanel message metrics moengage ms azure blob storage advanced pinterest conversions pipedrive playerzero qualtrics reporting webhooks ripe rudderstack legacy salesforce about this integration sent messages as tasks frequently asked questions saleswings segment segment message metrics sendgrid marketing campaigns slack snowflake snowflake advanced sprig talon one tiktok conversions twilio twilio engage messaging twilio studio twitter pixel visual website optimizer vwo webhooks wisepops yandex zendesk api reference about our apis comparing the pipelines and track apis pipelines api track api app api design studio html best practices journeys webhooks mobile sdks ios quick start guide getting started how it works authentication packages and configuration options swift 6 troubleshooting identify and track users identify people track events screen tracking mobile lifecycle events anonymous activity location tracking push notifications set up push notifications set up rich push app groups for push tracking deep links push metrics sound in push notifications provisional push push service certificates test your push implementation in app messages set up in app messaging inline in app messages page rules in app event listeners notification inbox what s new 4 x 4 4 0 3 x 4 0 0 3 x 3 13 0 3 x 3 9 0 2 x 3 x 1x 2 x changelog ios quick start guide getting started how it works authentication packages and configuration options troubleshooting identify and track users identify people track events screen tracking mobile lifecycle events anonymous activity push notifications set up push notifications set up rich push deep links push metrics sound in push notifications provisional push push service certificates test your push implementation in app messages set up in app messaging inline in app messages page rules in app event listeners what s new 3 x 3 13 0 3 x 3 9 0 2 x 3 x 1x 2 x changelog ios get started identify people track events push notifications rich push notifications in app messages test support changelog ios get started identify people track events push notifications in app messages test support update from 2 10 to 2 11 migrate from an earlier version troubleshooting changelog android quick start guide getting started how it works authentication packages and configuration options troubleshooting identify and track users identify people screen tracking mobile lifecycle events anonymous activity track events location tracking push notifications push notifications deep links channel push service certificates test your push implementation in app messages in app messages in app event listeners inline in app messages page rules notification inbox what s new 4 x 4 10 3 x 4 x 2 x 3 x changelog android get started identify people track events push notifications in app messages test support migrate from an earlier version troubleshooting changelog android get started identify people track events push notifications rich push notifications test support migrate from an earlier version changelog react native quick start guide getting started how it works authentication packages and configuration options troubleshooting identify and track users identify people track events screen tracking mobile lifecycle events anonymous activity location tracking push notifications set up push notifications app groups for push tracking deep links handling multiple push providers capture push metrics android channels in app messages set up in app messages inline in app messages in app event listeners notification inbox what s new 6 x 6 4 0 5 x 6 0 0 4 x 5 0 0 4 x 4 3 3 4x 4 x 3 x 3 4 2 x 3 x changelog react native quick start guide getting started how it works authentication packages and configuration options troubleshooting identify and track users identify people track events screen tracking mobile lifecycle events anonymous activity push notifications set up push notifications deep links handling multiple push providers capture push metrics android channels in app messages set up in app messages inline in app messages in app event listeners what s new 4 x 4 3 3 4x 4 x 3 x 3 4 2 x 3 x changelog react native quick start guide getting started how it works authentication packages and configuration options troubleshooting identify and track users identify people track events screen tracking mobile lifecycle events anonymous activity push notifications set up push notifications deep links handling multiple push providers capture push metrics android channels in app messages set up in app messages inline in app messages in app event listeners what s new 4 x 5 0 0 4 x 4 3 3 4x 4 x 3 x 3 4 2 x 3 x changelog react native get started identify people track events push notifications set up push notifications deep links handling multiple push providers capture push metrics in app messages set up in app messages in app event listeners updates and troubleshooting migrate from an earlier version troubleshooting changelog react native get started identify people track events push notifications set up push notifications deep links handling multiple push providers capture push metrics in app messages set up in app messages in app event listeners updates and troubleshooting migrate from an earlier version update to version 3 4 troubleshooting changelog expo quick start guide getting started how it works authentication packages and configuration options troubleshooting identify and track people identify people track events screen tracking mobile lifecycle events anonymous activity location tracking push notifications set up push notifications app groups for push tracking deep links capture push metrics android channels multiple push providers in app messages inline in app messages notification inbox set up in app messages in app event listeners what s new 3 x 3 3 2 x 3 x 1x 2 x changelog expo get started identify people track events push notifications set up push notifications deep links capture push metrics in app messages set up in app messages in app event listeners updates and troubleshooting troubleshooting changelog flutter quick start guide get started how it works authentication configuration options troubleshooting identify track users identify people mobile lifecycle events anonymous activity screen tracking track events location tracking push notifications set up push notifications app groups for push tracking deep links handling multiple push providers capture push metrics android channels in app messages in app messages inline in app messages notification inbox in app event listeners what s new 3 x 4 0 0 3 x 3 5 0 2 x 3 0 0 2 x 2 2 upgrade to flutter 2 x changelog flutter quick start guide get started how it works authentication configuration options troubleshooting identify track users identify people mobile lifecycle events anonymous activity screen tracking track events push notifications set up push notifications deep links handling multiple push providers capture push metrics android channels in app messages in app messages inline in app messages in app event listeners what s new 2 x 2 2 upgrade to flutter 2 x changelog flutter get started identify people track events update flutter sdk push notifications set up push notifications deep links handling multiple push providers capture push metrics in app messages in app messages in app event listeners updates and troubleshooting update ios troubleshooting changelog settings billing account verification audit logs tasks workspace performance billing how we bill billing for sms messages billing for whatsapp messages ai credits reducing billing overages payment problems canceling your account plan features builder plan your account manage team members how to add team members assign standard roles create assign custom roles access multiple accounts edit account information customize your ui manage your api credentials security best practices two factor authentication single sign on sso account regions us and eu enable experimental features workspaces workspaces in customer io understand timezone conversion case sensitivity and your data search your workspace privacy security session cookies and expiration allowlist our ip addresses customer io gdpr and you security mobile and app store privacy privacy respecting your users privacy ai settings customer io security qualifications troubleshooting troubleshooting login and browser issues create a har file for help troubleshooting releases this page is part of the customer io documentation for the complete documentation index see llms txt messaging channels links 8_https link verification md 171 https link tracking updated july 10 2026 by default tracked links that use your custom subdomain as specified with the cname record are basic http links you can enable https link tracking by configuring your link tracking and we ll automatically generate a valid ssl certificate and proxy links to our link tracking domain for you how it works we generated a unique url for any link you track this link proxies through our link tracking domain and then to the ultimate destination that s how we track clicks but for https link tracking we need to use a valid ssl certificate to prove that the proxy is secure so that your audience browsers and any security software understands that the link is safe in this case we ll generate a record you can add to your dns provider that points to our link tracking domain and we ll generate a valid ssl certificate for you upgrade to automatic https link tracking if you set up your domain before october 8 2025 you may have configured your own ssl certificate and proxy through a service like cloudflare or nginx you can now upgrade to automatic https link tracking where we generate and manage your tls certificate for you go to settings workspace settings email select your domain and click upgrade to https then choose how you want to configure your dns records automatic setup recommended we ll configure your cname and txt records automatically with your dns provider manual setup add the dns records to your domain yourself set up https link tracking go to settings workspace settings email and select your domain select your domain and click the link tracking tab update the hostname if you want to change the subdomain for tracked links copy the cname record to your dns provider if you use a provider like cloudflare make sure that the proxy status is disabled we re going to generate the certificate and proxy the links for you return to customer io and click verify domain like domain verification this process can take up to 72 hours depending on your dns provider but typically happens in minutes if you see a note that we re provisioning your certificate when you verify your domain that means that the domain is verified but it ll take up to 10 minutes for us to generate the certificate and proxy your links what happens if i change my link tracking domain changing your link tracking domain will cause your existing tracked links to break if you already configured a link tracking domain you should also use that domain like link example com when you enable https link tracking failure to generate a certificate if your domain provider has a proxy setting enabled for the link tracking domain s cnam...
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