drchrono.com

drchrono · Company

Company No Auth Free & Open customer_relation

This document is intended as a detailed reference for the precise behavior of the drchrono API. If this is your first time using the API, start with our tutorial . If you are upgrading from a previous version, take a look at the changelog section. # Authorization ## Initial authorization There are three main steps in the OAuth 2.0 authentication workflow: 1. Redirect the provider to the authorization page. 2. The provider authorizes your application and is

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET allergies_list

Retrieve or search patient allergies

https://api.apis.guru/v2/specs/drchrono.com/v4 (Hunt Valley)/api/allergies?cursor=example&doctor=1&patient=1&page_size=10

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/drchrono.com/v4 (Hunt Valley)/api/allergies?cursor=example&doctor=1&patient=1&page_size=10"

import requests
params = {
    "cursor": "example",
    "doctor": "1",
    "patient": "1",
    "page_size": "10"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/drchrono.com/v4 (Hunt Valley)/api/allergies",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/drchrono.com/v4 (Hunt Valley)/api/allergies');
url.searchParams.set('cursor', 'example');
url.searchParams.set('doctor', '1');
url.searchParams.set('patient', '1');
url.searchParams.set('page_size', '10');

const response = await fetch(url); 
const data = await response.json();
console.log(data);

package main

import (
	"fmt"
	"io"
	"net/http"
	"net/url"
)

func main() {
	baseURL, _ := url.Parse("https://api.apis.guru/v2/specs/drchrono.com/v4 (Hunt Valley)/api/allergies")
	q := baseURL.Query()
	q.Set("cursor", "example")
	q.Set("doctor", "1")
	q.Set("patient", "1")
	q.Set("page_size", "10")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}

require "net/http"
require "json"

uri = URI("https://api.apis.guru/v2/specs/drchrono.com/v4 (Hunt Valley)/api/allergies")
uri.query = URI.encode_www_form({
  "cursor" => "example",
  "doctor" => "1",
  "patient" => "1",
  "page_size" => "10"
})

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)

<?php
$url = "https://api.apis.guru/v2/specs/drchrono.com/v4 (Hunt Valley)/api/allergies?" . http_build_query([
    "cursor" => "example",
    "doctor" => "1",
    "patient" => "1",
    "page_size" => "10"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET amendments_list

Retrieve or search patient amendments. You can only interact with amendments created by your API application

https://api.apis.guru/v2/specs/drchrono.com/v4 (Hunt Valley)/api/amendments?cursor=example&doctor=1&patient=1&page_size=10&appointment=1

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/drchrono.com/v4 (Hunt Valley)/api/amendments?cursor=example&doctor=1&patient=1&page_size=10&appointment=1"

import requests
params = {
    "cursor": "example",
    "doctor": "1",
    "patient": "1",
    "page_size": "10",
    "appointment": "1"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/drchrono.com/v4 (Hunt Valley)/api/amendments",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/drchrono.com/v4 (Hunt Valley)/api/amendments');
url.searchParams.set('cursor', 'example');
url.searchParams.set('doctor', '1');
url.searchParams.set('patient', '1');
url.searchParams.set('page_size', '10');
url.searchParams.set('appointment', '1');

const response = await fetch(url); 
const data = await response.json();
console.log(data);

package main

import (
	"fmt"
	"io"
	"net/http"
	"net/url"
)

func main() {
	baseURL, _ := url.Parse("https://api.apis.guru/v2/specs/drchrono.com/v4 (Hunt Valley)/api/amendments")
	q := baseURL.Query()
	q.Set("cursor", "example")
	q.Set("doctor", "1")
	q.Set("patient", "1")
	q.Set("page_size", "10")
	q.Set("appointment", "1")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}

require "net/http"
require "json"

uri = URI("https://api.apis.guru/v2/specs/drchrono.com/v4 (Hunt Valley)/api/amendments")
uri.query = URI.encode_www_form({
  "cursor" => "example",
  "doctor" => "1",
  "patient" => "1",
  "page_size" => "10",
  "appointment" => "1"
})

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)

<?php
$url = "https://api.apis.guru/v2/specs/drchrono.com/v4 (Hunt Valley)/api/amendments?" . http_build_query([
    "cursor" => "example",
    "doctor" => "1",
    "patient" => "1",
    "page_size" => "10",
    "appointment" => "1"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET appointment_profiles_list

Retrieve or search appointment profiles for a doctor's calendar

https://api.apis.guru/v2/specs/drchrono.com/v4 (Hunt Valley)/api/appointment_profiles?cursor=example&doctor=1&page_size=10

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/drchrono.com/v4 (Hunt Valley)/api/appointment_profiles?cursor=example&doctor=1&page_size=10"

import requests
params = {
    "cursor": "example",
    "doctor": "1",
    "page_size": "10"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/drchrono.com/v4 (Hunt Valley)/api/appointment_profiles",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/drchrono.com/v4 (Hunt Valley)/api/appointment_profiles');
url.searchParams.set('cursor', 'example');
url.searchParams.set('doctor', '1');
url.searchParams.set('page_size', '10');

const response = await fetch(url); 
const data = await response.json();
console.log(data);

package main

import (
	"fmt"
	"io"
	"net/http"
	"net/url"
)

func main() {
	baseURL, _ := url.Parse("https://api.apis.guru/v2/specs/drchrono.com/v4 (Hunt Valley)/api/appointment_profiles")
	q := baseURL.Query()
	q.Set("cursor", "example")
	q.Set("doctor", "1")
	q.Set("page_size", "10")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}

require "net/http"
require "json"

uri = URI("https://api.apis.guru/v2/specs/drchrono.com/v4 (Hunt Valley)/api/appointment_profiles")
uri.query = URI.encode_www_form({
  "cursor" => "example",
  "doctor" => "1",
  "page_size" => "10"
})

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)

<?php
$url = "https://api.apis.guru/v2/specs/drchrono.com/v4 (Hunt Valley)/api/appointment_profiles?" . http_build_query([
    "cursor" => "example",
    "doctor" => "1",
    "page_size" => "10"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

Postman Setup Guide

Get Postman ↗

See official documentation for authentication and setup.

What can you build with drchrono.com?

drchrono.com is a Company API. Developers commonly use company APIs for:

enriching CRM records with company firmographics
building lead-generation and prospecting tools
verifying business identity and registration details
monitoring competitors and market intelligence
powering B2B data enrichment pipelines

No authentication required. This API is open — no signup or key needed. Ideal for quick prototypes and public-facing features. drchrono.com is free to use, making it a low-risk choice to experiment with.

New to APIs? Read our beginner's guide · Learn about API keys · What is REST?

Open documentation ↗