# twilio-python

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* **The default branch name for this repository has been changed to `main` as of 07/27/2020.**

## Documentation

The documentation for the Twilio API can be found [here][apidocs].

The Python library documentation can be found [here][libdocs].

## Versions

`twilio-python` uses a modified version of [Semantic Versioning](https://semver.org) for all changes. [See this document](VERSIONS.md) for details.

### Migrating from 5.x

Please consult the [official migration guide](https://www.twilio.com/docs/libraries/python/migration-guide) for information on upgrading your application using twilio-python 5.x to 6.x

### Supported Python Versions

This library supports the following Python implementations:

* Python 3.6
* Python 3.7
* Python 3.8
* Python 3.9

## Installation

Install from PyPi using [pip](https://pip.pypa.io/en/latest/), a
package manager for Python.

    pip install twilio

If pip install fails on Windows, check the path length of the directory. If it is greater 260 characters then enable [Long Paths](https://docs.microsoft.com/en-us/windows/win32/fileio/maximum-file-path-limitation) or choose other shorter location.

Don't have pip installed? Try installing it, by running this from the command
line:

    $ curl https://bootstrap.pypa.io/get-pip.py | python

Or, you can [download the source code
(ZIP)](https://github.com/twilio/twilio-python/zipball/main "twilio-python
source code") for `twilio-python`, and then run:

    python setup.py install

You may need to run the above commands with `sudo`.

## Getting Started

Getting started with the Twilio API couldn't be easier. Create a
`Client` and you're ready to go.

### API Credentials

The `Twilio` needs your Twilio credentials. You can either pass these
directly to the constructor (see the code below) or via environment variables.

```python
from twilio.rest import Client

account = "ACXXXXXXXXXXXXXXXXX"
token = "YYYYYYYYYYYYYYYYYY"
client = Client(account, token)
```

Alternatively, a `Client` constructor without these parameters will
look for `TWILIO_ACCOUNT_SID` and `TWILIO_AUTH_TOKEN` variables inside the
current environment.

We suggest storing your credentials as environment variables. Why? You'll never
have to worry about committing your credentials and accidentally posting them
somewhere public.


```python
from twilio.rest import Client
client = Client()
```

### Specify Region and/or Edge

To take advantage of Twilio's [Global Infrastructure](https://www.twilio.com/docs/global-infrastructure), specify the target Region and/or Edge for the client:

```python
from twilio.rest import Client

client = Client(region='au1', edge='sydney')
```
A `Client` constructor  without these parameters will also look for `TWILIO_REGION` and `TWILIO_EDGE` variables inside the current environment.

Alternatively, you may specify the edge and/or region after constructing the Twilio client:

```python
from twilio.rest import Client

client = Client()
client.region = 'au1'
client.edge = 'sydney'
```

This will result in the `hostname` transforming from `api.twilio.com` to `api.sydney.au1.twilio.com`.

### Make a Call

```python
from twilio.rest import Client

account = "ACXXXXXXXXXXXXXXXXX"
token = "YYYYYYYYYYYYYYYYYY"
client = Client(account, token)

call = client.calls.create(to="9991231234",
                           from_="9991231234",
                           url="http://twimlets.com/holdmusic?Bucket=com.twilio.music.ambient")
print(call.sid)
```

### Send an SMS

```python
from twilio.rest import Client

account = "ACXXXXXXXXXXXXXXXXX"
token = "YYYYYYYYYYYYYYYYYY"
client = Client(account, token)

message = client.messages.create(to="+12316851234", from_="+15555555555",
                                 body="Hello there!")
```

### Enable Debug Logging

Log the API request and response data to the console:

```python
import logging

client = Client(account, token)
logging.basicConfig()
client.http_client.logger.setLevel(logging.INFO)
```

Log the API request and response data to a file:

```python
import logging

client = Client(account, token)
logging.basicConfig(filename='./log.txt')
client.http_client.logger.setLevel(logging.INFO)
```

### Handling Exceptions

```python
from twilio.rest import Client
from twilio.base.exceptions import TwilioRestException

account = "ACXXXXXXXXXXXXXXXXX"
token = "YYYYYYYYYYYYYYYYYY"
client = Client(account, token)

try:
  message = client.messages.create(to="+12316851234", from_="+15555555555",
                                   body="Hello there!")
except TwilioRestException as e:
  print(e)
```

For more descriptive exception types, please see the [Twilio documentation](https://www.twilio.com/docs/libraries/python/usage-guide#exceptions).

### Generating TwiML

To control phone calls, your application needs to output [TwiML][twiml].

Use `twilio.twiml.Response` to easily create such responses.

```python
from twilio.twiml.voice_response import VoiceResponse

r = VoiceResponse()
r.say("Welcome to twilio!")
print(str(r))
```

```xml
<?xml version="1.0" encoding="utf-8"?>
<Response><Say>Welcome to twilio!</Say></Response>
```

### Using a Custom HTTP Client

To use a custom HTTP client with this helper library, please see the [Twilio documentation](https://www.twilio.com/docs/libraries/python/custom-http-clients-python).

### Docker Image

The `Dockerfile` present in this repository and its respective `twilio/twilio-python` Docker image are currently used by Twilio for testing purposes only.

### Getting help

If you need help installing or using the library, please check the [Twilio Support Help Center](https://support.twilio.com) first, and [file a support ticket](https://twilio.com/help/contact) if you don't find an answer to your question.

If you've instead found a bug in the library or would like new features added, go ahead and open issues or pull requests against this repo!

[apidocs]: https://www.twilio.com/docs/api
[twiml]: https://www.twilio.com/docs/api/twiml
[libdocs]: https://twilio.github.io/twilio-python