diff --git a/tests/test_api.py b/tests/test_api.py
index 7bbe8eb..de3da73 100644
--- a/tests/test_api.py
+++ b/tests/test_api.py
@@ -17,7 +17,7 @@ def test_create_app(mock_post):
 
     create_app('bigfish.software')
 
-    mock_post.assert_called_once_with('https://bigfish.software/api/v1/apps', {
+    mock_post.assert_called_once_with('https://bigfish.software/api/v1/apps', json={
         'website': CLIENT_WEBSITE,
         'client_name': CLIENT_NAME,
         'scopes': SCOPES,
@@ -48,7 +48,7 @@ def test_login(mock_post):
     login(app, 'user', 'pass')
 
     mock_post.assert_called_once_with(
-        'https://bigfish.software/oauth/token', data, allow_redirects=False)
+        'https://bigfish.software/oauth/token', data=data, allow_redirects=False)
 
 
 @mock.patch('toot.http.anon_post')
@@ -70,4 +70,4 @@ def test_login_failed(mock_post):
         login(app, 'user', 'pass')
 
     mock_post.assert_called_once_with(
-        'https://bigfish.software/oauth/token', data, allow_redirects=False)
+        'https://bigfish.software/oauth/token', data=data, allow_redirects=False)
diff --git a/tests/test_console.py b/tests/test_console.py
index 86fb48a..cd26670 100644
--- a/tests/test_console.py
+++ b/tests/test_console.py
@@ -38,10 +38,10 @@ def test_post_defaults(mock_post, mock_uuid, capsys):
 
     console.run_command(app, user, 'post', ['Hello world'])
 
-    mock_post.assert_called_once_with(app, user, '/api/v1/statuses', {
+    mock_post.assert_called_once_with(app, user, '/api/v1/statuses', json={
         'status': 'Hello world',
         'visibility': 'public',
-        'media_ids[]': [],
+        'media_ids': [],
         'sensitive': "false",
         'spoiler_text': None,
         'in_reply_to_id': None,
@@ -74,9 +74,9 @@ def test_post_with_options(mock_post, mock_uuid, capsys):
 
     console.run_command(app, user, 'post', args)
 
-    mock_post.assert_called_once_with(app, user, '/api/v1/statuses', {
+    mock_post.assert_called_once_with(app, user, '/api/v1/statuses', json={
         'status': 'Hello world',
-        'media_ids[]': [],
+        'media_ids': [],
         'visibility': 'unlisted',
         'sensitive': "true",
         'spoiler_text': "Spoiler!",
diff --git a/toot/api.py b/toot/api.py
index 3b2ffcf..8ce9fad 100644
--- a/toot/api.py
+++ b/toot/api.py
@@ -27,14 +27,14 @@ def _status_action(app, user, status_id, action):
 def create_app(domain, scheme='https'):
     url = '{}://{}/api/v1/apps'.format(scheme, domain)
 
-    data = {
+    json = {
         'client_name': CLIENT_NAME,
         'redirect_uris': 'urn:ietf:wg:oauth:2.0:oob',
         'scopes': SCOPES,
         'website': CLIENT_WEBSITE,
     }
 
-    return http.anon_post(url, data).json()
+    return http.anon_post(url, json=json).json()
 
 
 def login(app, username, password):
@@ -49,7 +49,7 @@ def login(app, username, password):
         'scope': SCOPES,
     }
 
-    response = http.anon_post(url, data, allow_redirects=False)
+    response = http.anon_post(url, data=data, allow_redirects=False)
 
     # If auth fails, it redirects to the login page
     if response.is_redirect:
@@ -79,7 +79,7 @@ def request_access_token(app, authorization_code):
         'redirect_uri': 'urn:ietf:wg:oauth:2.0:oob',
     }
 
-    return http.anon_post(url, data, allow_redirects=False).json()
+    return http.anon_post(url, data=data, allow_redirects=False).json()
 
 
 def post_status(
@@ -104,9 +104,9 @@ def post_status(
     # if the request is retried.
     headers = {"Idempotency-Key": uuid.uuid4().hex}
 
-    params = {
+    json = {
         'status': status,
-        'media_ids[]': media_ids,
+        'media_ids': media_ids,
         'visibility': visibility,
         'sensitive': str_bool(sensitive),
         'spoiler_text': spoiler_text,
@@ -116,9 +116,9 @@ def post_status(
     }
 
     if content_type:
-        params['content_type'] = content_type
+        json['content_type'] = content_type
 
-    return http.post(app, user, '/api/v1/statuses', params, headers=headers).json()
+    return http.post(app, user, '/api/v1/statuses', json=json, headers=headers).json()
 
 
 def delete_status(app, user, status_id):
diff --git a/toot/http.py b/toot/http.py
index 6aff9a7..51286ef 100644
--- a/toot/http.py
+++ b/toot/http.py
@@ -47,9 +47,11 @@ def process_response(response):
     return response
 
 
-def get(app, user, url, params=None):
-    url = app.base_url + url
-    headers = {"Authorization": "Bearer " + user.access_token}
+def get(app, user, path, params=None, headers=None):
+    url = app.base_url + path
+
+    headers = headers or {}
+    headers["Authorization"] = f"Bearer {user.access_token}"
 
     request = Request('GET', url, headers, params=params)
     response = send_request(request)
@@ -64,29 +66,29 @@ def anon_get(url, params=None):
     return process_response(response)
 
 
-def post(app, user, url, data=None, files=None, allow_redirects=True, headers={}):
-    url = app.base_url + url
+def post(app, user, path, headers=None, files=None, data=None, json=None, allow_redirects=True):
+    url = app.base_url + path
 
-    headers["Authorization"] = "Bearer " + user.access_token
+    headers = headers or {}
+    headers["Authorization"] = f"Bearer {user.access_token}"
 
-    request = Request('POST', url, headers, files, data)
-    response = send_request(request, allow_redirects)
-
-    return process_response(response)
+    return anon_post(url, headers=headers, files=files, data=data, json=json, allow_redirects=allow_redirects)
 
 
-def delete(app, user, url, data=None):
-    url = app.base_url + url
-    headers = {"Authorization": "Bearer " + user.access_token}
+def delete(app, user, path, data=None, headers=None):
+    url = app.base_url + path
 
-    request = Request('DELETE', url, headers=headers, data=data)
+    headers = headers or {}
+    headers["Authorization"] = f"Bearer {user.access_token}"
+
+    request = Request('DELETE', url, headers=headers, json=data)
     response = send_request(request)
 
     return process_response(response)
 
 
-def anon_post(url, data=None, files=None, allow_redirects=True):
-    request = Request('POST', url, {}, files, data)
+def anon_post(url, headers=None, files=None, data=None, json=None, allow_redirects=True):
+    request = Request(method="POST", url=url, headers=headers, files=files, data=data, json=json)
     response = send_request(request, allow_redirects)
 
     return process_response(response)
diff --git a/toot/logging.py b/toot/logging.py
index 9730cca..e612020 100644
--- a/toot/logging.py
+++ b/toot/logging.py
@@ -1,3 +1,5 @@
+import json
+
 from logging import getLogger
 
 logger = getLogger('toot')
@@ -22,6 +24,9 @@ def log_request(request):
     if request.data:
         logger.debug(">>> DATA:    \033[33m{}\033[0m".format(request.data))
 
+    if request.json:
+        logger.debug(">>> JSON:    \033[33m{}\033[0m".format(json.dumps(request.json)))
+
     if request.files:
         logger.debug(">>> FILES:   \033[33m{}\033[0m".format(request.files))
 
@@ -32,10 +37,10 @@ def log_request(request):
 def log_response(response):
     if response.ok:
         logger.debug("<<< \033[32m{}\033[0m".format(response))
-        logger.debug("<<< \033[33m{}\033[0m".format(response.content))
+        logger.debug("<<< \033[33m{}\033[0m".format(response.content.decode()))
     else:
         logger.debug("<<< \033[31m{}\033[0m".format(response))
-        logger.debug("<<< \033[31m{}\033[0m".format(response.content))
+        logger.debug("<<< \033[31m{}\033[0m".format(response.content.decode()))
 
 
 def log_debug(*msgs):