Using the COLLECTIONS CREATE API, you can CREATE Collections to group the records which later, can be fetched usin the Query Builder.

Root
https://api.jsonbin.io/v3
Route
/c
Request Type
POST
Request Headers
Header Value Required
X-Master-Key <YOUR_SECRET_KEY> Yes
X-Collection-Name My Collection Yes
X-Master-Key

X-Master-Key is required to Create a Collection. You can find your X-Master-Key on the API Keys page after signing-in.

X-Collection-Name

X-Collection-Name is required to Name your Collection. You can set a name no more than 32 characters.

Basic Code Samples
curl -v\
  -H "X-Collection-Name: My Collection" \
  -H "X-Master-key: <YOUR_API_KEY>" \
  --request POST \
    https://api.jsonbin.io/v3/c
let req = new XMLHttpRequest();

req.onreadystatechange = () => {
  if (req.readyState == XMLHttpRequest.DONE) {
    console.log(req.responseText);
  }
};

req.open("POST", "https://api.jsonbin.io/v3/c", true);
req.setRequestHeader("X-Collection-Name", "My Collection");
req.setRequestHeader("X-Master-Key", "<YOUR_API_KEY>");
req.send();
import requests
url = 'https://api.jsonbin.io/v3/c'
headers = {
  'X-Collection-Name': 'My Collection',
  'X-Master-Key': '<YOUR_API_KEY>'
}
data = {}

req = requests.post(url, json=data, headers=headers)
print(req.text)
require 'net/http'
require 'json'

uri = URI("https://api.jsonbin.io/v3/c")
res = Net::HTTP.start(uri.host, uri.port, use_ssl: true) do |http|
  req = Net::HTTP::Post.new(uri)
  req['X-Collection-Name'] = 'My Collection'
  req['X-Master-Key'] = '<YOUR_API_KEY>'
  
  http.request(req)
end

puts res.body
Request Response
Success
200
{
  "record": "5ffac64e3fc0f1641870e48c",
  "metadata": {
    "createdAt": "<DATE/TIME>",
    "name": <true/false>
  }
}
Error
400, 401, 403
{
  "message": "<ERROR_MESSAGE>"
}
Status Code Error Message
401 Unauthorized
You need to pass X-Master-Key in the header
401 Unauthorized
Invalid X-Master-Key provided
400 Bad Request
You need to pass X-Collection-Name header to set a name for the Schema Doc
400 Bad Request
Name of the Collection cannot be above 32 characters
400 Bad Request
Invalid X-Collection-Id provided
403 Forbidden
You cannot create more than 10 collections. Please delete a Collection and try again.
403 Forbidden
You cannot create more than 1 collection in Free Trial. Consider upgrading to the Pro plan to create upto 10 collections.
403 Forbidden
Requests exhausted. Buy additional requests at https://jsonbin.io/pricing