Malomo.js Reference

Build modern post-purchase experiences for the web
This is the API reference for Malomo.js. Use Malomo.js' API to retrieve shipment information and build delightful post-purchase experiences for your customers.

Including Malomo.js

However you're using Malomo.js, you always begin by including the library and setting your API key. To get started, include this script on your pages -- it should always be loaded directly from https://js.gomalomo.com/v2/:
<script src="https://js.gomalomo.com/v2/"></script>

Malomo object

Malomo(publishableKey[, options])

Use Malomo(publishableKey[, options]) to create an instance of the Malomo object. Your Malomo publishable key is required when calling this function as it identifies your account.
This function accepts an optional options object. Available options are documented below:
  • url - the URL used when making API calls. Defaults to https://api.gomalomo.com.

malomo.elements()

Create pre-built UI components that allow you to add post-purchase elements to any page.

malomo.retrieveOrder(query)

Retrieve an Order using either it's id or alternate_id.
malomo.retrieveOrder({ id: 'ccb71edc-2952-4709-8880-9cb08c26724a' })
.then(
function(response) {
// Handle response
}
);
Please note that metadata will not be included on Order objects when using Malomo.js.
This method will return a Promise which resolves with a Response object. This object contains body, headers and status properties.

malomo.fetchOrder()

Retrieve an Order by automatically using values stored as URL query parameters _m_id and _m_alt_id. If both _m_id and _m_alt_id are both present then _m_id will be used.
malomo.fetchOrder()
.then(
function(response) {
// Handle response
}
);
This method will return a Promise which resolves with an array of Response objects. This object contains body, headers and status properties.

Elements object

elements.create(type, options)

Creates an instance of a specific Element. This method takes a type of Element to create and an options object.
Element type
  • shipmentTracker - renders a complete block that can be used for displaying the status of a shipment
Element options
  • classNamePrefix - a string appended to all CSS class names rendered by an element. Defaults to malomo.

elements.create('shipmentTracker', options)

Creates an Element that renders a complete shipment tracking experience.
Options
appearance.theme
A theme that can be used to style the appearance of Malomo.js. Supported value is light.
order (required)
The Order object provided to this Element.
carrierInfo.linkToCarrier
A boolean that determines whether to render a tracking code as text or a link that can take a user to the carriers tracking page.
carrierInfo.rootClassName
The class name to use for the root carrier info element. Note that classNamePrefix is still applied to the generated class name. Defaults to carrier-info.
carrierInfo.showIf
A function to determine whether to render carrier information. If the function returns false carrier information will not be rendered. If true is returned then carrier information will be rendered. An Order object will be passed as the first argument and a Shipment object as the second argument. Defaults to true.
carrierInfo.showImage
A boolean that determines whether to render the carrier logo. If false the image will not be shown. Defaults to true.
countdown.minDaysLeft
An integer indicating when to render a countdown depending on how many days are left until a shipment is delivered. A countdown will not contain a value until the number of days left is equal or less than the value of this options. If a value is not provided then the countdown will always contain a value as long as the number of days left is greater than zero.
countdown.rootClassName
The class name to use for the root countdown element. Note that classNamePrefix is still applied to the generated class name. Defaults to countdown.
countdown.showIf
A function to determine whether to render a countdown. If the function returns false a countdown will not be rendered. If true is returned then a countdown will be rendered. An Order object will be passed as the first argument and a Shipment object as the second argument. Defaults to true.
deliveryDate.format
The format the date will be displayed as. Defaults to EEEE, MMMM d (e.g. Saturday, February 29). For more information on how to format a date please see date-fn's format documentation.
deliveryDate.rootClassName
The class name to use for the delivery date root element. Note that classNamePrefix is still applied to the generated class name. Defaults to delivery-date.
deliveryDate.showIf
A function to determine whether to render a delivery date. If the function returns false a delivery date will not be rendered. If true is returned then a delivery date will be rendered. An Order object will be passed as the first argument and a Shipment object as the second argument. Defaults to true.
deliveryState.rootClassName
The class name to use for the delivery state root element. Note that classNamePrefix is still applied to the generated class name. Defaults to delivery-state.
deliveryState.showIf
A function to determine whether to render a delivery state. If the function returns false a delivery state will not be rendered. If true is returned then a delivery state will be rendered. An Order object will be passed as the first argument and a Shipment object as the second argument. Defaults to true.
deliveryState.states
An object containing overrides for the state to display. Defaults are provided below.
events.dateFormat
The format of the date to be displayed for each event. Defaults to MM d (e.g. February 29). For more information on how to format a date please see date-fn's format documentation.
events.enumerate
A function that can apply enumeration logic to the events. This is can be used for sorting or filtering out events. An array of events will be passed as the only argument.
events.rootClassName
The class name to use for each shipping event root element. Note that classNamePrefix is still applied to the generated class name. Defaults to events.
events.showIf
A function to determine whether to render shipment events. If the function returns false then shipment events will not be rendered. If true is returned then shipment events will be rendered. An Order object will be passed as the first argument and a Shipment object as the second argument. Defaults to true.
events.timeFormat
The format for the time to be displayed for each event. Defaults to h:mm a (e.g. 12:00 AM). For more information on how to format a date please see date-fn's format documentation.
returnActions.initiateReturnLinkText
The text for the "initiate return" link that deep links into the returns platform. Defaults to Start a return or an exchange
returnActions.initiateReturnPromptText
The prompt text that appears next to the "initiate return" link. Defaults to Need to make a change?
returnActions.relatedReturnsText
Header text for the "related returns" section. Below that section are all the returns/exchanges related to the current order being tracked. Defaults to Related Returns
returnActions.returnStatusLinkText
The text for the "Return Status" button that allows customers to view the status of their return. Defaults to Return Status
returnActions.rootClassName
The class name prefix to use for each element in the "return actions" section. Defaults to return-actions
returnActions.showIf
A function to determine whether to render the "return actions" section/any returns or exchanges information. If the function returns false then the customer will not have an ability to interact with returns or exchanges on the tracking page. Defaults to true if the Loop Returns integration is installed correctly, and if at least one shipment from the order has been delivered. To remove the requirement for the order to have a delivered shipment, you can set the function to: (order) => { return order.body.return_url; }
returnActions.viewOriginalOrderLinkText
The text for the link back to the original order when viewing a return. Defaults to View original order
statusMessage.messages
An object containing overrides for the message to display. Defaults are provided below.
statusMessage.rootClassName
The class name to use for the status message root element. Note that classNamePrefix is still applied to the generated class name. Defaults to status-message.
statusMessage.showIf
A function to determine whether to render a status message. If the function returns false then a status message will not be rendered. If true is returned then a status message will be rendered. An Order object will be passed as the first argument and a Shipment object as the second argument. Defaults to true.
statusMessage.stopOn
An array of status keys that will only render the provided statuses if they occur in a shipments tracking history. This is useful in situations like return_to_sender where it may be more useful to show the end user the return_to_sender status message rather than the remaining event statuses as it makes it's way back to the sender. Defaults to false.
HTML
JavaScript
Result
<div id="shipment-tracker"></div>
let element = elements.create('shipmentTracker', {order: order});
element.mount('#shipment-tracker');
<div id="shipment-tracker">
<div class="malomo-shipment-tracker">
<div class="malomo-shipment-tracker-header">
<div class="malomo-shipment-tracker-delivery-state">
Estimated Delivery
</div>
<div class="malomo-shipment-tracker-delivery-date">
Monday, August 2
</div>
</div>
<div class="malomo-shipment-tracker-body">
<div class="malomo-shipment-tracker-countdown">
4 days left
</div>
<div class="malomo-shipment-tracker-history">
<div class="malomo-shipment-tracker-latest-activity">
Latest Activity
</div>
<div class="malomo-shipment-tracker-most-recent-event">
<div class="malomo-shipment-tracker-event">
<div class="malomo-shipment-tracker-event-timestamp">
<span class="malomo-shipment-tracker-event-timestamp-date">
July 29
</span>
<span class="malomo-shipment-tracker-event-timestamp-time">
3:53 AM
</span>
</div>
<div class="malomo-shipment-tracker-event-message">
Arrived at USPS Origin Facility
</div>
<div class="malomo-shipment-tracker-event-location">
<div class="malomo-shipment-tracker-event-location-city">
carson
</div>
<div class="malomo-shipment-tracker-event-location-state">
ca
</div>
</div>
</div>
</div>
<div class="malomo-shipment-tracker-events-backdrop malomo-shipment-tracker-events-toggle">
<div class="malomo-shipment-tracker-events-modal">
<div class="malomo-shipment-tracker-events-header">
<div class="malomo-shipment-tracker-events-header-label">
History
</div>
<div class="malomo-shipment-tracker-events-header-close">
<img alt="close" class="malomo-shipment-tracker-events-header-close-icon malomo-shipment-tracker-events-toggle" src="https://cdn.gomalomo.com/malomojs/close.svg">
</div>
</div>
<div class="malomo-shipment-tracker-events">
<div class="malomo-shipment-tracker-event">
<div class="malomo-shipment-tracker-event-timestamp">
<div class="malomo-shipment-tracker-event-timestamp-date">
July 29
</div>
<div class="malomo-shipment-tracker-event-timestamp-time">
2:38 AM
</div>
</div>
<div class="malomo-shipment-tracker-event-message">
Accepted at USPS Origin Facility
</div>
<div class="malomo-shipment-tracker-event-location">
<span class="malomo-shipment-tracker-event-location-city">
culver city
</span>
<span class="malomo-shipment-tracker-event-location-state">
ca
</span>
</div>
</div>
<div class="malomo-shipment-tracker-event">
<div class="malomo-shipment-tracker-event-timestamp">
<div class="malomo-shipment-tracker-event-timestamp-date">
July 27
</div>
<div class="malomo-shipment-tracker-event-timestamp-time">
8:32 PM
</div>
</div>
<div class="malomo-shipment-tracker-event-message">
Shipping Label Created, USPS Awaiting Item
</div>
<div class="malomo-shipment-tracker-event-location">
<span class="malomo-shipment-tracker-event-location-city">
culver city
</span>
<span class="malomo-shipment-tracker-event-location-state">
ca
</span>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="malomo-shipment-tracker-footer">
<a class="malomo-shipment-tracker-history-control malomo-shipment-tracker-events-toggle">
Show History
</a>
<div class="malomo-shipment-tracker-carrier-info">
<img alt="usps" class="malomo-shipment-tracker-carrier-info-image" src="https://cdn.gomalomo.com/images/carriers/usps.svg">
<a href="https://tools.usps.com/go/TrackConfirmAction?qtc_tLabels1=9400000000000000000000" target="_blank" rel="noreferrer noopener" class="malomo-shipment-tracker-carrier-info-tracking-code-link">
9400000000000000000000
</a>
</div>
</div>
</div>
</div>
Delivery state defaults
  • noDate - Check back for an estimated delivery date
  • default - Estimated Delivery
  • delivered - Delivered
Status message defaults
  • unknown - ready to go
  • pre_transit - ready to go
  • in_transit - on its way
  • out_for_delivery - out for delivery
  • delivered - delivered
  • available_for_pickup - available for pickup
  • return to sender - returning to sender
  • failure - failed to delivery
  • cancelled - cancelled
  • error - error

elements.create('orderLookup', options)

Creates an Element that renders a complete order lookup experience.
The orderLookup element provides a consumer with the ability to lookup their own order. Once an order lookup element is rendered consumer will be able to locate their order by providing either their order number and the email address they made the purchase with or their shipment tracking code.
Options
Option
Description
callback (required)
The function used when an order is successfully located. This function will typically be responsible for redirecting a user to a Malomo tracking page.
rootClassName
The class name to use for the root element. Note that classNamePrefix is still applied to the generated class name. Defaults to order-lookup.
HTML
JavaScript
Result
<div id="order-lookup"></div>
let classback = function() {
let url = new URL(document.URL);
url.searchParams.append(`_m_id`, resp.body['id']);
window.location.href = url;
}
let element = elements.create('shipmentTracker', {callback: callback});
element.mount('#order-lookup');
<div class="malomo-order-lookup">
<div class="malomo-order-lookup-header">
<div class="malomo-order-lookup-error-message">
We are having trouble locating your order. Please try re-entering
your order details. If you haven't received your shipping details
yet, it's possible your order is still being fulfilled and you won't
be able to track your order yet.
</div>
</div>
<div class="malomo-order-lookup-body">
<div class="malomo-order-lookup-form">
<div class="malomo-order-lookup-section-1">
<div class="malomo-order-lookup-section-1-1">
<label class="malomo-order-lookup-number-label" for="malomo-order-lookup-number-label">
Order Number
</label>
<input class="malomo-order-lookup-number-input" name="malomo-order-lookup-number" type="text">
</div>
<div class="malomo-order-lookup-section-1-2">
<label class="malomo-order-lookup-customer-email-label" for="malomo-order-lookup-customer-email-label">
Email Address
</label>
<input class="malomo-order-lookup-customer-email-input" name="malomo-order-lookup-customer-email" type="text">
</div>
</div>
<div class="malomo-order-lookup-section-separator">
or
</div>
<div class="malomo-order-lookup-section-2">
<div class="malomo-order-lookup-section-2-1">
<label class="malomo-order-lookup-tracking-number-label" for="malomo-order-lookup-tracking-number-label">
Tracking Number
</label>
<input class="malomo-order-lookup-tracking-number-input" name="malomo-order-tracking-number" type="text">
</div>
</div>
<button class="malomo-order-lookup-submit-button" type="submit">
Track your order
</button>
</div>
</div>
</div>

Element object

element.mount(domElement)

Attaches your Element inside a DOM element. This method accepts a CSS selector (e.g. #shipment-tracker), an HTMLElement or a Promise which resolves with an HTMLElement.
This method will return a Promise that resolves with the element mounted. You can pass the return value of this method to another mount function to ensure that Element will be mounted in relation to the returned Element.
HTML
JavaScript
Result
<div id="some-element"></div>
element.mount('#some-element');
<div id="delivery-date">
<div class="malomo-delivery-date">Saturday, February 29</div>
</div>

element.mountAfter(domElement)

Similar to element.mount(domElement) but attaches your Element after the element specified by domElement.
HTML
JavaScript
Result
<div>
<div id="some-element">
Hello, world!
</div>
</div>
element.mountAfter('#some-element');
<div>
<div id="some-other-element">
Hello, world!
</div>
<div class="malomo-delivery-date">
Saturday, February 29
</div>
</div>

element.mountBefore(domElement)

Similar to element.mount(domElement) but attaches your Element before the element specified by domElement.
HTML
JavaScript
Result
<div>
<div id="some-element">
Hello, world!
</div>
</div>
element.mountBefore('#some-element');
<div>
<div class="malomo-delivery-date">
Saturday, February 29
</div>
<div id="some-other-element">
Hello, world!
</div>
</div>