Product data
Post Cards
Structured post cards product data for search, recommendations, and AI shopping agents.
What Post Cards can I help you find?
In the catalog
Sample Post Cards products
A live slice of the post cards catalog — titles, images, and prices the API returns today.
Taylor Corporation
Custom Printed Full-color 5" X 7" Medium Size Postcards, Double Sided, Box Of 50
$71
S. Preston
Atlanta Braves Truist Park 5-pack Minimalist Postcard Set
PRESENT AT
Signature Postcard_seorae Village Paris 15th District Park
$32
Avery
Avery Printable Christmas Postcards With Sure Feed Technology 4 X 6 Matte White With Plaid Border Metallic Gold Frame Design Pack Of 20
$15
One endpoint
Find all post cards on the internet, in one API call
- Normalized titles, images, and stable category IDs
- Live prices, availability, and merchant URLs
- Commission-ready offers
curl https://api.trychannel3.com/v1/search \
-H "x-api-key: $CHANNEL3_API_KEY" \
-H "content-type: application/json" \
-d '{
"query": "post cards",
"filters": {
"category_ids": [
"JqL"
]
},
"limit": 20
}'from channel3_sdk import Channel3
client = Channel3()
response = client.products.search(
query="post cards",
filters={"category_ids": ["JqL"]},
limit=20,
)import { Channel3 } from "@channel3/sdk";
const client = new Channel3();
const response = await client.products.search({
query: "post cards",
filters: {
category_ids: ["JqL"],
},
limit: 20,
});Questions about Post Cards
Avery, Choosing Keeping, S. Preston, Authentic Posters, Overkill, Taylor Corporation, PRESENT AT, and Teacher Created Resources.