Omnisend Email Content API is one of 16 APIs that Omnisend publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
This API exposes 2 JSON Schema definitions.
Tagged areas include Email Content. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, authentication docs, a JSON-LD context, and 2 JSON Schemas.
This API exposes
3 operations
across 2 paths,
and defines 52 schemas.
It is described by OpenAPI 3.2.0, at version 5.0.
Requests are made against a single base URL, https://api.omnisend.com/api.
3 operations2 paths52 schemas1 GET1 POST1 PUT
Metadata
The identity and technical contract details declared by the specification.
Specification
OpenAPI 3.2.0
API Version
5.0
Base URL
https://api.omnisend.com/api
Authentication
API Key, OAuth 2.0
Resource Areas
1
Authentication & Security 2
Omnisend Email Content API declares
2 security schemes
for authenticating requests.
An API key is passed in the header as Authorization (ApiKeyAuth).
It supports OAuth 2.0 (Bearer) using the clientCredentials flow, exposing 2 scopes.
Paths & Operations 3
Across 2 paths, the API surfaces 3 operations — 1 GET, 1 POST, 1 PUT. Each is listed below with its method, path, parameters, and response codes.
Email Content 3
GET
/email-content/{id}
Get email content
2 params→ 200400401403404410429500
PUT
/email-content/{id}
Update email content
2 paramsbody→ 200400401403404409410413
POST
/email-content/{id}/render
Render email content
2 params→ 200400401403404410422429
Schemas 52
The contract defines 52 schemas that model the data the API accepts and returns. The most detailed are StyleProperties (33 properties), Block (25 properties), Discount (22 properties), Image (17 properties). Each schema is shown below with its type and property counts.
GeneralSettings
object
General settings for the template
6 properties
OrderSummaryHiddenFields
object
Visibility toggles for order summary fields
3 properties
Column
object
Column is a single column of the row
4 properties
ButtonPreset
object
Button preset for consistent design
3 properties
OrderTotalDiscount
object
Discount applied to the order total
3 properties
TextStyle
object
Text preset style properties
5 properties
BlockComponent
object
BlockComponent is a block nested inside a parent block, carrying one part of what that parent renders. Some parent blocks assign a 'role' to each of their part…
10 properties
Video
object
Video block for displaying a video in the email
4 properties
Visibility
object
Visibility settings for the template
2 properties
StyleProperties
object
Style properties for the section
33 properties
Preheader
object
Preheader block to setup View in Browser link text formattings Text is formatted as Text LinkText
2 properties
OrderTax
object
Tax line item applied to the order
3 properties
Discount
object
Discount block settings. This object configures the offer only — the parts the recipient sees (code, redeem button, expiry) are separate role-tagged blocks in…
22 properties
Button
object
Button block settings
4 properties
OrderAddressesHiddenFields
object
Visibility toggles for the order addresses section
3 properties
Settings
object
Settings for the section
10 properties
FilterProperty
object
Filter property for conditional display of content
4 properties
CustomFont
object
Custom font reference
1 property
OrderAddressHiddenFields
object
Visibility toggles for individual address fields
9 properties
OrderProduct
object
Individual product within an order
13 properties
Logo
object
Logo block for displaying a logo in the email
2 properties
ButtonStyle
object
Button preset style properties
14 properties
OrderProducts
object
Order products block displaying ordered items
2 properties
Content
object
Email content
5 properties
OrderSummary
object
Order summary block displaying order identification details
5 properties
Block
object
Block is a single element in the email template
25 properties
Product
object
Product block for displaying product information
11 properties
OrderTotal
object
Order total block displaying pricing breakdown
10 properties
LineSpace
object
Horizontal line or space block for layout separation
3 properties
OrderProductsHiddenFields
object
Visibility toggles for order product fields
11 properties
DynamicList
object
Dynamic list settings for repeating content blocks
4 properties
Icon
object
Social media icon with link and image source
3 properties
Section
object
Section is a single section of the template
7 properties
Filter
object
Filter for conditional display of content
2 properties
OrderTransaction
object
Payment transaction details
1 property
OrderTotalHiddenFields
object
Visibility toggles for order total fields
5 properties
OrderAddresses
object
Order addresses block displaying billing and shipping information
6 properties
Annotation
object
Gmail annotation settings
2 properties
Image
object
Image block for displaying images in the email
17 properties
HTMLCode
object
HTML code block with separate style and body content
2 properties
Body
object
Body settings for the template
4 properties
OrderShipping
object
Shipping method details
2 properties
DiscountCombinesWith
object
Discount combines with settings
3 properties
TextPreset
object
Text preset for consistent typography
3 properties
FieldError
object
Field-level validation error details
3 properties
APIErrorResponse
object
RFC 9457 Problem Details error response
6 properties
ProductRecommender
object
Product recommender settings for the product recommendations section
9 properties
Row
object
Row is a single row of the section
3 properties
Gmail
object
Gmail specific settings for email.
1 property
Rule
object
Filter rule for conditional display of content
3 properties
Social
object
Social block for displaying social media icons and links
3 properties
OrderAddress
object
Postal address for billing or shipping
12 properties
Specification
The full machine-readable OpenAPI contract behind this narrative.
Every API here is available over the API and to AI agents over MCP. APIs is not yet its own endpoint on the v1 API. Reach this content through network search and the tag graph, or the MCP server below.
Installs https://mcp.apievangelist.com/mcp in Claude, Cursor, VS Code and the rest — one button, every client.
MCP tools for apis
4 tools reach this content
search_api_evangelistSearch every content type across the network at once.
find_relatedThe shared-tag relevance graph — what else covers this.
get_tagEverything one tag labels, across all content types.
guide_topicPRO — a curated bundle for a topic: area, guidance, rules, papers, stories, services.
A second provider on the same verified email joins the account you already have.
Your account
ⓘWhere this information came from
This is an independent, third-party profile of Omnisend Email Content API, published by
API Evangelist. We do not operate, host, resell, or
support these APIs, and we are not affiliated with or endorsed by the company unless stated above.
Everything here is built from publicly available information — the company's own site,
developer portal, documentation, public repositories, and the specifications it publishes for public use.
Nothing is obtained by breaching a system, defeating an access control, or using credentials.
The Kin Score and Agent Readiness rating are independently calculated assessments of a company's
public API artifacts, scored against a published rubric. They are not certifications,
endorsements, security assessments, or audits.
Corrections, re-scores, and removal are free — no partnership or purchase required, and
you do not need to justify the request. A removed company is recorded as unrated, never scored
zero for having asked. Acknowledgement within one business day; removal within two.
info@apievangelist.com
·
Read the full data-sourcing policy → On a security or compliance team? Put security in the subject line and
you will get a person, not a form — we will tell you exactly which public URLs this profile was built from.
