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https://github.com/kevinburke/twilio-go

Twilio Go library
https://github.com/kevinburke/twilio-go

api client golang http twilio

Last synced: 17 days ago
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Twilio Go library

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# twilio-go



A client for accessing the Twilio API with several nice features:



- Easy-to-use helpers for purchasing phone numbers and sending MMS messages



- E.164 support, times that are parsed into a time.Time, and other smart types.



- Finer grained control over timeouts with a Context, and the library uses

  wall-clock HTTP timeouts, not socket timeouts.



- Easy debugging network traffic by setting DEBUG_HTTP_TRAFFIC=true in your

  environment.



- Easily find calls and messages that occurred between a particular

set of `time.Time`s, down to the nanosecond, with GetCallsInRange /

GetMessagesInRange.



- It's clear when the library will make a network request, there are no

unexpected latency spikes when paging from one resource to the next.



- Uses threads to fetch resources concurrently; for example, has methods to

fetch all Media for a Message concurrently.



- Usable, [one sentence descriptions of Alerts][alert-descriptions].



[alert-descriptions]: https://godoc.org/github.com/kevinburke/twilio-go#Alert.Description



Here are some example use cases:



```go

const sid = "AC123"

const token = "456bef"



client := twilio.NewClient(sid, token, nil)



// Send a message

msg, err := client.Messages.SendMessage("+14105551234", "+14105556789", "Sent via go :) ✓", nil)



// Start a phone call

var callURL, _ = url.Parse("https://kevin.burke.dev/zombo/zombocom.mp3")

call, err := client.Calls.MakeCall("+14105551234", "+14105556789", callURL)



// Buy a number

number, err := client.IncomingNumbers.BuyNumber("+14105551234")



// Get all calls from a number

data := url.Values{}

data.Set("From", "+14105551234")

callPage, err := client.Calls.GetPage(context.TODO(), data)



// Iterate over calls

iterator := client.Calls.GetPageIterator(url.Values{})

for {

    page, err := iterator.Next(context.TODO())

    if err == twilio.NoMoreResults {

        break

    }

    fmt.Println("start", page.Start)

}

```



A [complete documentation reference can be found at

godoc.org](https://godoc.org/github.com/kevinburke/twilio-go).



## In Production



twilio-go is being used by the following applications:



- [Logrole][logrole], an open source Twilio log viewer that's faster than the API.



Using twilio-go in production? [Let me know!](mailto:[email protected])



[logrole]: https://github.com/kevinburke/logrole



## Supported API's



The API is unlikely to change, and currently covers these resources:



- Alerts

- Applications

- Calls

- Conferences

- Faxes

- Incoming Phone Numbers

- Available Phone Numbers

- Keys

- Messages

- Media

- Monitor

- Outgoing Caller ID's

- Pricing

- Queues

- Recordings

- Task Router

  - Activities

  - TaskQueues

  - Workers

  - Workflows

- Transcriptions

- Wireless

- Voice Insights

- Access Tokens for IPMessaging, Video and Programmable Voice SDK



### Error Parsing



If the twilio-go client gets an error from the Twilio API, we attempt to convert

it to a [`rest.Error`][rest.error] before returning. Here's an example 404.



[rest.error]: https://godoc.org/github.com/kevinburke/rest#Error



```

&rest.Error{

    Title: "The requested resource ... was not found",

    ID: "20404",

    Detail: "",

    Instance: "",

    Type: "https://www.twilio.com/docs/errors/20404",

    StatusCode: 404

}

```



Not all errors will be a `rest.Error` however - HTTP timeouts, canceled

context.Contexts, and JSON parse errors (HTML error pages, bad gateway

responses from proxies) may also be returned as plain Go errors.



### Twiml Generation



There are no plans to support Twiml generation in this library. It may be

more readable and maintainable to manually write the XML involved in a Twiml

response.



### Errata



- Media URL's used to be returned over HTTP. twilio-go rewrites these URL's to be

  HTTPS before returning them to you.



- A subset of Notifications returned code 4107, which doesn't exist. These

  notifications should have error code 14107. We rewrite the error code

  internally before returning it to you.



- The only provided API for filtering calls or messages by date grabs all

messages for an entire day, and the day ranges are only available for UTC. Use

GetCallsInRange or GetMessagesInRange to do timezone-aware, finer-grained date

filtering.



- You can get Alerts for a given Call or MMS by passing `ResourceSid=CA123` as

a filter to Alerts.GetPage. This functionality is not documented in the API.



## Consulting



I'm available for hire, for Twilio work or general-purpose engineering. For more

on what I can do for your company, see here: https://burke.services/twilio.html.

Contact me: [email protected]



## Donating



Donations free up time to review pull requests, respond to bug reports, and

add new features. In the absence of donations there are no guarantees about

timeliness for reviewing or responding to proposed changes; I don't get paid

by anyone else to work on this. You can send donations via Github's "Sponsor"

mechanism or Paypal's "Send Money" feature to [email protected]. Donations are not

tax deductible in the USA.



[zero-results]: https://github.com/saintpete/twilio-go/issues/8