> For the complete documentation index, see [llms.txt](https://support.emarketeer.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.emarketeer.com/references.md). # References - [API](https://support.emarketeer.com/references/apis-developer.md): The eMarketeer API gives you programmatic access to your account data: upsert and delete contacts, manage lists, trigger sends, and push custom engagement events from external systems. - [API endpoints overview](https://support.emarketeer.com/references/apis-developer/api-endpoints-overview.md): A quick map of every endpoint across the eMarketeer REST APIs — contacts, subscriptions, engagement, consent, tags, and messages — so you can find the right call fast. - [Custom Signals API](https://support.emarketeer.com/references/apis-developer/custom-signals-api.md): This Guide explains how to use the Signals API to send contact events into eMarketeer. - [Send a webhook from Zapier to eMarketeer](https://support.emarketeer.com/references/apis-developer/send-webhook-from-zapier-to-emarketeer.md): Set up a Zap that sends contact data to eMarketeer as a custom signal. - [Developer](https://support.emarketeer.com/references/developer-advanced.md): Guides, reference material, and technical information for users with the Developer role — those with access to more advanced tools, such as HTML editors. - [Contact field character limit](https://support.emarketeer.com/references/developer-advanced/contact-field-character-limit.md): A quick reference guide listing the eMarketeer standard contact fields and their character limit. - [DCL introduction](https://support.emarketeer.com/references/developer-advanced/dcl-introduction.md): DCL is a template language used to personalize content in eMarketeer. - [Conventions](https://support.emarketeer.com/references/developer-advanced/dcl-introduction/conventions.md): The conventions used throughout this DCL manual. - [Language Syntax](https://support.emarketeer.com/references/developer-advanced/dcl-introduction/language-syntax.md): DCL has a simple structure built on three terms: function, argument, and value. Every function returns a string and takes named arguments whose values are strings. - [Template Functions](https://support.emarketeer.com/references/developer-advanced/dcl-introduction/template-functions.md): The template functions in DCL, the language behind eMarketeer's Dynamic Content Engine (DCE), which composes structured layouts from nested chunks of code called blocks. - [Emarketeer specific functions](https://support.emarketeer.com/references/developer-advanced/dcl-introduction/emarketeer-specific-functions.md): DCL functions unique to eMarketeer that fetch data from the contact card, your user account, and other product-specific sources. - [Conditionals](https://support.emarketeer.com/references/developer-advanced/dcl-introduction/conditionals.md): DCL supports a simple if-elseif-else-endif conditional for testing whether one string equals another. - [Why eMarketeer doesn't support SRI for embed scripts](https://support.emarketeer.com/references/developer-advanced/why-emarketeer-doesnt-support-sri-for-embed-scripts.md): eMarketeer does not support Subresource Integrity (SRI) on its embed scripts. This article explains why. - [Changing the mobile app navigation icons](https://support.emarketeer.com/references/developer-advanced/app-navigation-icons.md): How to change the icons in a mobile app component's navigation menu by editing the app's HTML in Developer Mode. - [Barcodes](https://support.emarketeer.com/references/developer-advanced/barcodes.md): What barcodes are, where they are used, and how you can use them in eMarketeer. - [Platform](https://support.emarketeer.com/references/references.md): Reference documentation for eMarketeer's platform features: email, SMS, web tracking, and user accounts. - [Email](https://support.emarketeer.com/references/references/email.md): Reference material for eMarketeer's email sending: platform behaviour, deliverability, and how email is measured. - [Deliverability](https://support.emarketeer.com/references/references/email/deliverability.md): Reference articles for diagnosing and improving email deliverability in eMarketeer. - [Email bounce handling](https://support.emarketeer.com/references/references/email/deliverability/bounce-handling.md): How eMarketeer handles email bounces and what it means for your sending. - [Email complaint handling](https://support.emarketeer.com/references/references/email/deliverability/complaint-handling.md): How eMarketeer handles email complaints and what you can do to minimize them. - [DKIM is missing or incorrectly configured](https://support.emarketeer.com/references/references/email/deliverability/dkim-setup.md): DKIM is a key part of email authentication and deliverability, and should be in your DNS whenever you authorize a sending domain in eMarketeer. - [SPF setup](https://support.emarketeer.com/references/references/email/deliverability/spf-setup.md): What to check when eMarketeer detects an SPF issue for one of your domains, and how to set it up correctly. - [DMARC setup](https://support.emarketeer.com/references/references/email/deliverability/dmarc-setup.md): Publish a DMARC record in your DNS so receiving servers know how to handle mail that fails authentication for your domain. - [Whitelisting Email Servers](https://support.emarketeer.com/references/references/email/deliverability/whitelisting-email-servers.md): When and how to whitelist eMarketeer's email servers to keep internal emails from being filtered as spam. - [About email bounces and complaints](https://support.emarketeer.com/references/references/email/deliverability/about-email-bounces.md): What bounces and complaints are, how eMarketeer handles them, and how to keep your sender reputation healthy. - [Email feedback loop](https://support.emarketeer.com/references/references/email/deliverability/feedback-loop.md): What feedback loop data is, how eMarketeer uses it, and how to act on the information it provides. - [Automatic send pause](https://support.emarketeer.com/references/references/email/automatic-send-pause.md): eMarketeer can automatically pause an account from sending more emails when bounces or spam complaints exceed certain levels. - [Exclude inactive recipients](https://support.emarketeer.com/references/references/email/exclude-inactive-recipients.md): When you address a campaign in eMarketeer, you can exclude inactive contacts from the send-out. Learn what an inactive address is and why to stop sending to those contacts. - [Transactional sendouts](https://support.emarketeer.com/references/references/email/transactional-sendouts.md): A transactional send-out delivers a non-marketing email to a contact regardless of their marketing consent. Learn when to use it and how to enable it. - [Read on web](https://support.emarketeer.com/references/references/email/read-on-web.md): Read on web generates a personal browser link for each email recipient. Use it to let contacts view the email online — sometimes called a "view in browser" link. - [When is an email registered as opened?](https://support.emarketeer.com/references/references/email/email-open.md): An email is registered as opened when images load in the recipient's email client, or when the recipient clicks a link in the message. - [eMarketeer sender policy](https://support.emarketeer.com/references/references/email/emarketeer-sender-policy.md): The rules you must follow when sending email or SMS to recipients through eMarketeer components. - [Why you shouldn't use a URL as link text](https://support.emarketeer.com/references/references/email/url-as-link-caption.md): Using a URL as link text in an email can trigger phishing filters. Here is why it happens and what to use instead. - [Understanding the Email Checklist](https://support.emarketeer.com/references/references/email/checklist-explained.md): The Email Checklist shows how many contacts will be addressed by a sendout, and how many will not, broken down by reason. - [Email report explained](https://support.emarketeer.com/references/references/email/email-report-explained.md): The event tags in the eMarketeer email report, the numbers next to them, and how the widget percentages are calculated. - [Maximizing Email Marketing Success: 10 Best Practices and Pitfalls to Avoid](https://support.emarketeer.com/references/references/email/maximizing-email-marketing-success-best-practices-and-pitfalls-to-avoid.md): Ten practices that protect your deliverability and improve engagement when you send marketing email from eMarketeer. - [Forms](https://support.emarketeer.com/references/references/forms.md): Technical references for eMarketeer forms: expression syntax, reCAPTCHA, and form availability troubleshooting. - [Form expression syntax](https://support.emarketeer.com/references/references/forms/form-expression-syntax.md): The complete reference for writing expressions in the eMarketeer form editor — value references, operators, and functions. - [reCAPTCHA for eMarketeer Forms](https://support.emarketeer.com/references/references/forms/captcha.md): How reCAPTCHA protects eMarketeer forms from bot submissions and what the icon on hosted form pages means. - [Identifying why a Form is Unavailable (Legacy)](https://support.emarketeer.com/references/references/forms/form-unavailable.md): How to diagnose an eMarketeer form that shows as unavailable or returns an error when accessed from a link. - [SMS](https://support.emarketeer.com/references/references/sms.md): Reference material for SMS in eMarketeer: Sender ID configuration and supported countries. - [SMS Sender ID](https://support.emarketeer.com/references/references/sms/sender-id.md): The Sender ID is the name or number a contact sees when they receive your SMS. Learn how to request your own and where the feature has limitations. - [Whitelist of countries supporting SMS Sender ID](https://support.emarketeer.com/references/references/sms/whitelist-of-countries-supporting-sms-sender-id.md): The countries where eMarketeer can send SMS using an alphanumeric Sender ID. Support varies by country and operator. - [Mobile number validation](https://support.emarketeer.com/references/references/sms/mobile-number-validation.md): How eMarketeer validates mobile numbers before sending SMS — country code requirements, character stripping rules, and examples of valid and invalid formats. - [Web Tracker](https://support.emarketeer.com/references/references/web-tracker.md): The eMarketeer Web Tracker records visitor sources and the behavior of individual contacts on your website. - [Installing the web tracker script on your website](https://support.emarketeer.com/references/references/web-tracker/installing-the-web-tracker-script-on-your-website.md): Install the eMarketeer Web Tracker on your website so you can see which pages your contacts visit. - [Automatic UTM links](https://support.emarketeer.com/references/references/web-tracker/automatic-utm-links.md): eMarketeer automatically adds UTM parameters to links in your emails and landing pages so web analytics can attribute visits correctly. - [Cloudflare & eMarketeer Tracking Parameters](https://support.emarketeer.com/references/references/web-tracker/cloudflare-emarketeer-tracking-parameters.md): Configure Cloudflare so that eMarketeer's per-recipient tracking parameters do not cause cache misses on your landing pages. - [User accounts & auth](https://support.emarketeer.com/references/references/accounts-auth.md): Reference for user account management and multi-factor authentication. - [Multi-factor authentication](https://support.emarketeer.com/references/references/accounts-auth/multi-factor-authentication.md): Multi-factor authentication (MFA) adds a second verification step to your eMarketeer login to protect your account from unauthorised access. - [User accounts](https://support.emarketeer.com/references/references/accounts-auth/user-accounts.md): How users work in eMarketeer — the two user types, what each can do, and the additional privileges you can grant. - [GDPR & consent](https://support.emarketeer.com/references/references/emarketeer-gdpr-overview.md): An overview of the GDPR — what it is, who it affects, and how eMarketeer helps you manage consent and stay compliant. - [Double opt-in subscription](https://support.emarketeer.com/references/references/emarketeer-gdpr-overview/double-opt-in.md): A sign-up process where the contact confirms their subscription in two steps, verifying the address belongs to the person who submitted the form. - [How does consent work?](https://support.emarketeer.com/references/references/emarketeer-gdpr-overview/how-does-consent-work.md): Consent in eMarketeer is built from four parts: purpose, legal base, source, and the option to withdraw. - [How will eMarketeer work with SuperOffice in compliance with GDPR?](https://support.emarketeer.com/references/references/emarketeer-gdpr-overview/how-will-emarketeer-work-with-superoffice-under-gdpr.md): eMarketeer and SuperOffice keep consent and subscription preferences in sync so you only collect them once. - [Files](https://support.emarketeer.com/references/references/files.md): Where eMarketeer stores every file you upload — the fixed folders, supported formats and size limit, and how file paths affect what you publish. - [Credit card payments (Administrator)](https://support.emarketeer.com/references/references/credit-card-payments.md): Credit cards are the payment method for your eMarketeer subscription. - [What happens when I reach my contact limit?](https://support.emarketeer.com/references/references/what-happens-when-i-reach-my-contact-limit.md): eMarketeer pay plans are sized by the number of contacts you communicate with, so your plan sets the size of your contact database. - [Default score rules in eMarketeer](https://support.emarketeer.com/references/references/default-score-rules-in-emarketeer.md): eMarketeer ships with two sets of default lead score rules, so scoring works out of the box even before you build your own. - [Understanding eMarketeer URLs](https://support.emarketeer.com/references/references/understanding-em-urls.md): eMarketeer uses several URL types. Knowing them helps you pick the right link for each situation, especially when working with Form components. - [Where is eMarketeer data stored geographically?](https://support.emarketeer.com/references/references/where-is-emarketeer-data-stored-geographically.md): eMarketeer stores and processes your data in the EU, with one exception. - [Generate HAR file for support](https://support.emarketeer.com/references/generate-har-file.md): How to record a HAR file in Chrome that captures all network requests while you reproduce a problem in eMarketeer. - [Glossary](https://support.emarketeer.com/references/glossary.md): Terms used throughout the eMarketeer documentation, with definitions specific to how eMarketeer uses them. --- # Agent Instructions This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com. ## Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter, and the optional `goal` query parameter: ``` GET https://support.emarketeer.com/references.md?ask=&goal= ``` `ask` is the immediate question: it should be specific, self-contained, and written in natural language. `goal` is optional and describes the broader end goal you are ultimately trying to accomplish on behalf of the user. GitBook uses it to tailor the answer towards what is most useful for that goal. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.