Execute a GraphQL Query

POST

https://ada-graphql.nownodes.io/graphql

Authorizations

ApiKeyAuthApiKeyAuth

api-key string

NOWNodes API key passed in the api-key header.

Single GraphQL endpoint. Send a JSON body with query (and optional variables / operationName).

Detailed per-query documentation is not published yet. Use the introspection query below to get the full, always up-to-date schema straight from the node.

Body

application/json

Standard GraphQL request body.

querystringrequired

GraphQL query string.

variablesobject

Optional query variables.

operationNamestring

Optional operation name when the query contains several operations.

Response

200OK

GraphQL response. Note that GraphQL-level errors are returned with HTTP 200 inside the errors array.

400Bad Request

Bad Request. The request is malformed or contains invalid parameters.

401Unauthorized

Unauthorized: API key is present but rejected by the NOWNodes gateway.

422Unprocessable Entity

Missing API key. The NOWNodes gateway returns plain text for this error.

500Internal Server Error

Internal Server Error. The gateway or backend failed while processing the request.

Execute a GraphQL Query

curl -X POST 'https://ada-graphql.nownodes.io/graphql' \
  -H 'Content-Type: application/json' \
  -d '{
    "query": "{ cardano { tip { number slotNo hash } } }",
    "variables": {},
    "operationName": "GetTip"
  }'

const response = await fetch('https://ada-graphql.nownodes.io/graphql', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "query": "{ cardano { tip { number slotNo hash } } }",
      "variables": {},
      "operationName": "GetTip"
    }),
});

const data = await response.json();

require 'net/http'
require 'json'

uri = URI('https://ada-graphql.nownodes.io/graphql')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
    "query": "{ cardano { tip { number slotNo hash } } }",
    "variables": {},
    "operationName": "GetTip"
  }'

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) { |http| http.request(request) }
data = JSON.parse(response.body)

import requests

payload = {
  "query": "{ cardano { tip { number slotNo hash } } }",
  "variables": {},
  "operationName": "GetTip"
}

response = requests.post('https://ada-graphql.nownodes.io/graphql', json=payload)
data = response.json()

const response = await fetch('https://ada-graphql.nownodes.io/graphql', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "query": "{ cardano { tip { number slotNo hash } } }",
      "variables": {},
      "operationName": "GetTip"
    }),
});

const data = await response.json();

const endpoint = "https://ada-graphql.nownodes.io/graphql";
const apiKey = "YOUR_API_KEY";

async function nownodesRequest(payload) {
  const response = await fetch(endpoint, {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
      "api-key": apiKey,
    },
    body: JSON.stringify(payload),
  });

  return response.json();
}

const result = await nownodesRequest({
    "query": "{ cardano { tip { number slotNo hash } } }",
    "variables": {},
    "operationName": "GetTip"
  });
console.log(result);

const response = await fetch('https://ada-graphql.nownodes.io/graphql', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "query": "{ cardano { tip { number slotNo hash } } }",
      "variables": {},
      "operationName": "GetTip"
    }),
});

const data = await response.json();

import requests

payload = {
  "query": "{ cardano { tip { number slotNo hash } } }",
  "variables": {},
  "operationName": "GetTip"
}

response = requests.post('https://ada-graphql.nownodes.io/graphql', json=payload)
data = response.json()

require 'net/http'
require 'json'

uri = URI('https://ada-graphql.nownodes.io/graphql')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
    "query": "{ cardano { tip { number slotNo hash } } }",
    "variables": {},
    "operationName": "GetTip"
  }'

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) { |http| http.request(request) }
data = JSON.parse(response.body)

Request Body

{
  "query": "{ __schema { queryType { name } types { name kind description } } }"
}

{
  "query": "query getCardanoTip { cardano { tip { number slotNo epoch { number } } } }",
  "variables": {}
}

{
  "query": "{ cardanoDbMeta { initialized syncPercentage } }"
}

{
  "data": {
    "cardano": {
      "tip": {
        "number": 13646894,
        "slotNo": 191855674,
        "hash": "9945cd69ca8e6bcf2e5f9a14742be0c051bf9dd916f0bb0b00ab39977b140d53"
      }
    }
  }
}

{
  "errors": [
    {
      "message": "Cannot query field \"foo\" on type \"Query\".",
      "locations": [
        {
          "line": 1,
          "column": 3
        }
      ]
    }
  ]
}

{
  "status_code": 400,
  "message": "Bad Request",
  "error": "bad_request"
}

Unknown API_key

Missing API_key

{
  "status_code": 500,
  "message": "Internal Server Error",
  "error": "internal_server_error"
}