Docs / Templates / Podcast Cover template | HTML to Image API Docs

Podcast Cover template

The podcast-cover template renders a content image as a PNG. POST a JSON payload to the endpoint below and you receive a CDN URL in the response.

Endpoint

POST https://app.html2img.com/api/v1/templates/podcast-cover
X-API-Key: <your-api-key>
Content-Type: application/json

Authentication uses the X-API-Key header. See the authentication docs for details on issuing and rotating keys.

Inputs

The full set of inputs the template accepts:

Name	Type	Required	Description	Example
`podcast_title`	string	Yes	Text value for the podcast title.	`The Production Hour`
`tagline`	string	No	Text value for the tagline.	`Conversations with the people running real systems at scale`
`host_name`	string	No	Text value for the host name.	`Adaeze Okafor`
`network_name`	string	No	Text value for the network name.	`Northwind Studio Audio`
`background_image_url`	url	No	URL of the background image to include in the rendered image.	`https://picsum.photos/seed/podcast-cover/1500/1500`
`accent_color`	string	No	Hex colour code for the accent.	`#0F172A`
`logo_url`	url	No	URL of the logo to include in the rendered image.	`-`

Defaults

Defaults applied automatically when not overridden in the request:

Option	Default value
`width`	`1500`
`height`	`1500`

Code examples

curl -X POST https://app.html2img.com/api/v1/templates/podcast-cover \
  -H "X-API-Key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"podcast_title":"The Production Hour","tagline":"Conversations with the people running real systems at scale","host_name":"Adaeze Okafor","network_name":"Northwind Studio Audio","background_image_url":"https://picsum.photos/seed/podcast-cover/1500/1500","accent_color":"#0F172A"}'

<?php
$response = \Illuminate\Support\Facades\Http::withHeaders([
    'X-API-Key' => 'YOUR_API_KEY',
])->post('https://app.html2img.com/api/v1/templates/podcast-cover', ['podcast_title' => 'The Production Hour', 'tagline' => 'Conversations with the people running real systems at scale', 'host_name' => 'Adaeze Okafor', 'network_name' => 'Northwind Studio Audio', 'background_image_url' => 'https://picsum.photos/seed/podcast-cover/1500/1500', 'accent_color' => '#0F172A']);

$url = $response->json('url');

const response = await fetch('https://app.html2img.com/api/v1/templates/podcast-cover', {
  method: 'POST',
  headers: {
    'X-API-Key': 'YOUR_API_KEY',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    "podcast_title": "The Production Hour",
    "tagline": "Conversations with the people running real systems at scale",
    "host_name": "Adaeze Okafor",
    "network_name": "Northwind Studio Audio",
    "background_image_url": "https://picsum.photos/seed/podcast-cover/1500/1500",
    "accent_color": "#0F172A"
}),
});

const { url } = await response.json();

import requests

response = requests.post(
    'https://app.html2img.com/api/v1/templates/podcast-cover',
    headers={'X-API-Key': 'YOUR_API_KEY'},
    json={'podcast_title': 'The Production Hour', 'tagline': 'Conversations with the people running real systems at scale', 'host_name': 'Adaeze Okafor', 'network_name': 'Northwind Studio Audio', 'background_image_url': 'https://picsum.photos/seed/podcast-cover/1500/1500', 'accent_color': '#0F172A'},
)

url = response.json()['url']

Looking for a fuller integration sketch in your language? The usage guides cover PHP, Laravel, Rails, Python, JavaScript, React and Vue.

Response

A successful render returns:

{
 "success": true,
 "id": "abc123",
 "url": "https://i.html2img.com/abc123.png",
 "credits_remaining": 1234,
 "template": "podcast-cover"
}

The url field is a CDN URL for the rendered PNG. credits_remaining tracks your monthly quota. Shared response fields are documented in the API parameters reference.

Errors

The template endpoint returns the following error responses:

422 Validation failed

Returned when one or more inputs fail validation. The errors object lists field-specific messages.

{
 "success": false,
 "error": "validation_failed",
 "errors": {
 "title": ["The title field is required."]
 }
}

404 Template not found

Returned with {"code": "template_not_found"} if the slug is not registered. Check the template list for current slugs.

401 Unauthorised

Missing or invalid API key. See the authentication docs.

429 Too many requests

You have hit the rate limit or used your monthly credits. The pricing page covers higher-volume plans.

Related templates

Quote Card - Pull-quote cards for testimonials, reviews, and shareable quotes
Podcast Episode Card - Per-episode share cards sized for Twitter, LinkedIn, and Slack unfurls
Email Header - Wide email banner artwork sized for newsletter and transactional templates
Blog Featured Hero - Editorial hero images for blog posts and article pages

See the Podcast Cover template in our gallery for sample renders and use cases.

Documentation