telnyx-numbers-go

Telnyx Numbers - Go

Installation

go get github.com/team-telnyx/telnyx-go

Setup

import (
  "context"
  "fmt"
  "os"

  "github.com/team-telnyx/telnyx-go"
  "github.com/team-telnyx/telnyx-go/option"
)

client := telnyx.NewClient(
  option.WithAPIKey(os.Getenv("TELNYX_API_KEY")),
)

All examples below assume client is already initialized as shown above.

Error Handling

All API calls can fail with network errors, rate limits (429), validation errors (422), or authentication errors (401). Always handle errors in production code:

import "errors"

availablePhoneNumbers, err := client.AvailablePhoneNumbers.List(context.Background(), telnyx.AvailablePhoneNumberListParams{})
if err != nil {
  var apiErr *telnyx.Error
  if errors.As(err, &apiErr) {
    switch apiErr.StatusCode {
    case 422:
      fmt.Println("Validation error — check required fields and formats")
    case 429:
      fmt.Println("Rate limited, retrying...")
    default:
      fmt.Printf("API error %d: %s\n", apiErr.StatusCode, apiErr.Error())
    }
  } else {
    fmt.Println("Network error — check connectivity and retry")
  }
}

Common error codes: 401 invalid API key, 403 insufficient permissions, 404 resource not found, 422 validation error (check field formats), 429 rate limited (retry with exponential backoff).

Important Notes

• Phone numbers must be in E.164 format (e.g., +13125550001). Include the + prefix and country code. No spaces, dashes, or parentheses.
• Pagination: Use ListAutoPaging() for automatic iteration: iter := client.Resource.ListAutoPaging(ctx, params); for iter.Next() { item := iter.Current() }.

Reference Use Rules

Do not invent Telnyx parameters, enums, response fields, or webhook fields.

• If the parameter, enum, or response field you need is not shown inline in this skill, read references/api-details.md before writing code.
• Before using any operation in ## Additional Operations, read the optional-parameters section and the response-schemas section.

Core Tasks

Search available phone numbers

Number search is the entrypoint for provisioning. Agents need the search method, key query filters, and the fields returned for candidate numbers.

client.AvailablePhoneNumbers.List() — GET /available_phone_numbers

Parameter	Type	Required	Description
Filter	object	No	Consolidated filter parameter (deepObject style).

	availablePhoneNumbers, err := client.AvailablePhoneNumbers.List(context.Background(), telnyx.AvailablePhoneNumberListParams{})
	if err != nil {
		log.Fatal(err)
	}
	fmt.Printf("%+v\n", availablePhoneNumbers.Data)

Response wrapper:

• items: availablePhoneNumbers.data
• pagination: availablePhoneNumbers.meta

Primary item fields:

• PhoneNumber
• RecordType
• Quickship
• Reservable
• BestEffort
• CostInformation

Create a number order

Number ordering is the production provisioning step after number selection.

client.NumberOrders.New() — POST /number_orders

Parameter	Type	Required	Description
PhoneNumbers	array[object]	Yes
ConnectionId	string (UUID)	No	Identifies the connection associated with this phone number.
MessagingProfileId	string (UUID)	No	Identifies the messaging profile associated with the phone n...
BillingGroupId	string (UUID)	No	Identifies the billing group associated with the phone numbe...
...			+1 optional params in references/api-details.md

	numberOrder, err := client.NumberOrders.New(context.Background(), telnyx.NumberOrderNewParams{
		PhoneNumbers: []telnyx.NumberOrderNewParamsPhoneNumber{{PhoneNumber: "+18005550101"}},
	})
	if err != nil {
		log.Fatal(err)
	}
	fmt.Printf("%+v\n", numberOrder.Data)

Primary response fields:

• numberOrder.Data.ID
• numberOrder.Data.Status
• numberOrder.Data.PhoneNumbersCount
• numberOrder.Data.RequirementsMet
• numberOrder.Data.MessagingProfileID
• numberOrder.Data.ConnectionID

Check number order status

Order status determines whether provisioning completed or additional requirements are still blocking fulfillment.

client.NumberOrders.Get() — GET /number_orders/{number_order_id}

Parameter	Type	Required	Description
NumberOrderId	string (UUID)	Yes	The number order ID.

	numberOrder, err := client.NumberOrders.Get(context.Background(), "number_order_id")
	if err != nil {
		log.Fatal(err)
	}
	fmt.Printf("%+v\n", numberOrder.Data)

Primary response fields:

• numberOrder.Data.ID
• numberOrder.Data.Status
• numberOrder.Data.RequirementsMet
• numberOrder.Data.PhoneNumbersCount
• numberOrder.Data.PhoneNumbers
• numberOrder.Data.ConnectionID

---

Important Supporting Operations

Use these when the core tasks above are close to your flow, but you need a common variation or follow-up step.

Create a number reservation

Create or provision an additional resource when the core tasks do not cover this flow.

client.NumberReservations.New() — POST /number_reservations

Parameter	Type	Required	Description
PhoneNumbers	array[object]	Yes
Status	enum (pending, success, failure)	No	The status of the entire reservation.
Id	string (UUID)	No
RecordType	string	No
...			+3 optional params in references/api-details.md

	numberReservation, err := client.NumberReservations.New(context.Background(), telnyx.NumberReservationNewParams{
		PhoneNumbers: []telnyx.NumberReservationNewParamsPhoneNumber{{PhoneNumber: "+18005550101"}},
	})
	if err != nil {
		log.Fatal(err)
	}
	fmt.Printf("%+v\n", numberReservation.Data)

Primary response fields:

• numberReservation.Data.ID
• numberReservation.Data.Status
• numberReservation.Data.CreatedAt
• numberReservation.Data.UpdatedAt
• numberReservation.Data.CustomerReference
• numberReservation.Data.Errors

Retrieve a number reservation

Fetch the current state before updating, deleting, or making control-flow decisions.

client.NumberReservations.Get() — GET /number_reservations/{number_reservation_id}

Parameter	Type	Required	Description
NumberReservationId	string (UUID)	Yes	The number reservation ID.

	numberReservation, err := client.NumberReservations.Get(context.Background(), "number_reservation_id")
	if err != nil {
		log.Fatal(err)
	}
	fmt.Printf("%+v\n", numberReservation.Data)

Primary response fields:

• numberReservation.Data.ID
• numberReservation.Data.Status
• numberReservation.Data.CreatedAt
• numberReservation.Data.UpdatedAt
• numberReservation.Data.CustomerReference
• numberReservation.Data.Errors

List Advanced Orders

Inspect available resources or choose an existing resource before mutating it.

client.AdvancedOrders.List() — GET /advanced_orders

	advancedOrders, err := client.AdvancedOrders.List(context.Background())
	if err != nil {
		log.Fatal(err)
	}
	fmt.Printf("%+v\n", advancedOrders.Data)

Response wrapper:

• items: advancedOrders.data

Primary item fields:

• ID
• Status
• AreaCode
• Comments
• CountryCode
• CustomerReference

Create Advanced Order

Create or provision an additional resource when the core tasks do not cover this flow.

client.AdvancedOrders.New() — POST /advanced_orders

Parameter	Type	Required	Description
PhoneNumberType	enum (local, mobile, toll_free, shared_cost, national, ...)	No
RequirementGroupId	string (UUID)	No	The ID of the requirement group to associate with this advan...
CountryCode	string (ISO 3166-1 alpha-2)	No
...			+5 optional params in references/api-details.md

	advancedOrder, err := client.AdvancedOrders.New(context.Background(), telnyx.AdvancedOrderNewParams{
		AdvancedOrder: telnyx.AdvancedOrderParam{},
	})
	if err != nil {
		log.Fatal(err)
	}
	fmt.Printf("%+v\n", advancedOrder.ID)

Primary response fields:

• advancedOrder.ID
• advancedOrder.Status
• advancedOrder.AreaCode
• advancedOrder.Comments
• advancedOrder.CountryCode
• advancedOrder.CustomerReference

Update Advanced Order

Modify an existing resource without recreating it.

client.AdvancedOrders.UpdateRequirementGroup() — PATCH /advanced_orders/{advanced-order-id}/requirement_group

Parameter	Type	Required	Description
Advanced-order-id	string (UUID)	Yes
PhoneNumberType	enum (local, mobile, toll_free, shared_cost, national, ...)	No
RequirementGroupId	string (UUID)	No	The ID of the requirement group to associate with this advan...
CountryCode	string (ISO 3166-1 alpha-2)	No
...			+5 optional params in references/api-details.md

	response, err := client.AdvancedOrders.UpdateRequirementGroup(
		context.Background(),
		"182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e",
		telnyx.AdvancedOrderUpdateRequirementGroupParams{
			AdvancedOrder: telnyx.AdvancedOrderParam{},
		},
	)
	if err != nil {
		log.Fatal(err)
	}
	fmt.Printf("%+v\n", response.ID)

Primary response fields:

• response.ID
• response.Status
• response.AreaCode
• response.Comments
• response.CountryCode
• response.CustomerReference

Get Advanced Order

Fetch the current state before updating, deleting, or making control-flow decisions.

client.AdvancedOrders.Get() — GET /advanced_orders/{order_id}

Parameter	Type	Required	Description
OrderId	string (UUID)	Yes

	advancedOrder, err := client.AdvancedOrders.Get(context.Background(), "182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
	if err != nil {
		log.Fatal(err)
	}
	fmt.Printf("%+v\n", advancedOrder.ID)

Primary response fields:

• advancedOrder.ID
• advancedOrder.Status
• advancedOrder.AreaCode
• advancedOrder.Comments
• advancedOrder.CountryCode
• advancedOrder.CustomerReference

List available phone number blocks

Inspect available resources or choose an existing resource before mutating it.

client.AvailablePhoneNumberBlocks.List() — GET /available_phone_number_blocks

Parameter	Type	Required	Description
Filter	object	No	Consolidated filter parameter (deepObject style).

	availablePhoneNumberBlocks, err := client.AvailablePhoneNumberBlocks.List(context.Background(), telnyx.AvailablePhoneNumberBlockListParams{})
	if err != nil {
		log.Fatal(err)
	}
	fmt.Printf("%+v\n", availablePhoneNumberBlocks.Data)

Response wrapper:

• items: availablePhoneNumberBlocks.data
• pagination: availablePhoneNumberBlocks.meta

Primary item fields:

• PhoneNumber
• CostInformation
• Features
• Range
• RecordType
• RegionInformation

Retrieve all comments

Inspect available resources or choose an existing resource before mutating it.

client.Comments.List() — GET /comments

Parameter	Type	Required	Description
Filter	object	No	Consolidated filter parameter (deepObject style).

	comments, err := client.Comments.List(context.Background(), telnyx.CommentListParams{})
	if err != nil {
		log.Fatal(err)
	}
	fmt.Printf("%+v\n", comments.Data)

Response wrapper:

• items: comments.data
• pagination: comments.meta

Primary item fields:

• ID
• Body
• CreatedAt
• UpdatedAt
• CommentRecordID
• CommentRecordType

---

Additional Operations

Use the core tasks above first. The operations below are indexed here with exact SDK methods and required params; use references/api-details.md for full optional params, response schemas, and lower-frequency webhook payloads. Before using any operation below, read the optional-parameters section and the response-schemas section so you do not guess missing fields.

Operation	SDK method	Endpoint	Use when	Required params
Create a comment	client.Comments.New()	POST /comments	Create or provision an additional resource when the core tasks do not cover this flow.	None
Retrieve a comment	client.Comments.Get()	GET /comments/{id}	Fetch the current state before updating, deleting, or making control-flow decisions.	Id
Mark a comment as read	client.Comments.MarkAsRead()	PATCH /comments/{id}/read	Modify an existing resource without recreating it.	Id
Get country coverage	client.CountryCoverage.Get()	GET /country_coverage	Inspect available resources or choose an existing resource before mutating it.	None
Get coverage for a specific country	client.CountryCoverage.GetCountry()	GET /country_coverage/countries/{country_code}	Fetch the current state before updating, deleting, or making control-flow decisions.	CountryCode
List customer service records	client.CustomerServiceRecords.List()	GET /customer_service_records	Inspect available resources or choose an existing resource before mutating it.	None
Create a customer service record	client.CustomerServiceRecords.New()	POST /customer_service_records	Create or provision an additional resource when the core tasks do not cover this flow.	None
Verify CSR phone number coverage	client.CustomerServiceRecords.VerifyPhoneNumberCoverage()	POST /customer_service_records/phone_number_coverages	Create or provision an additional resource when the core tasks do not cover this flow.	None
Get a customer service record	client.CustomerServiceRecords.Get()	GET /customer_service_records/{customer_service_record_id}	Fetch the current state before updating, deleting, or making control-flow decisions.	CustomerServiceRecordId
List inexplicit number orders	client.InexplicitNumberOrders.List()	GET /inexplicit_number_orders	Inspect available resources or choose an existing resource before mutating it.	None
Create an inexplicit number order	client.InexplicitNumberOrders.New()	POST /inexplicit_number_orders	Create or provision an additional resource when the core tasks do not cover this flow.	OrderingGroups
Retrieve an inexplicit number order	client.InexplicitNumberOrders.Get()	GET /inexplicit_number_orders/{id}	Fetch the current state before updating, deleting, or making control-flow decisions.	Id
Create an inventory coverage request	client.InventoryCoverage.List()	GET /inventory_coverage	Inspect available resources or choose an existing resource before mutating it.	None
List mobile network operators	client.MobileNetworkOperators.List()	GET /mobile_network_operators	Inspect available resources or choose an existing resource before mutating it.	None
List network coverage locations	client.NetworkCoverage.List()	GET /network_coverage	Inspect available resources or choose an existing resource before mutating it.	None
List number block orders	client.NumberBlockOrders.List()	GET /number_block_orders	Inspect available resources or choose an existing resource before mutating it.	None
Create a number block order	client.NumberBlockOrders.New()	POST /number_block_orders	Create or provision an additional resource when the core tasks do not cover this flow.	StartingNumber, Range
Retrieve a number block order	client.NumberBlockOrders.Get()	GET /number_block_orders/{number_block_order_id}	Fetch the current state before updating, deleting, or making control-flow decisions.	NumberBlockOrderId
Retrieve a list of phone numbers associated to orders	client.NumberOrderPhoneNumbers.List()	GET /number_order_phone_numbers	Inspect available resources or choose an existing resource before mutating it.	None
Retrieve a single phone number within a number order.	client.NumberOrderPhoneNumbers.Get()	GET /number_order_phone_numbers/{number_order_phone_number_id}	Fetch the current state before updating, deleting, or making control-flow decisions.	NumberOrderPhoneNumberId
Update requirements for a single phone number within a number order.	client.NumberOrderPhoneNumbers.UpdateRequirements()	PATCH /number_order_phone_numbers/{number_order_phone_number_id}	Modify an existing resource without recreating it.	NumberOrderPhoneNumberId
List number orders	client.NumberOrders.List()	GET /number_orders	Create or inspect provisioning orders for number purchases.	None
Update a number order	client.NumberOrders.Update()	PATCH /number_orders/{number_order_id}	Modify an existing resource without recreating it.	NumberOrderId
List number reservations	client.NumberReservations.List()	GET /number_reservations	Inspect available resources or choose an existing resource before mutating it.	None
Extend a number reservation	client.NumberReservations.Actions.Extend()	POST /number_reservations/{number_reservation_id}/actions/extend	Trigger a follow-up action in an existing workflow rather than creating a new top-level resource.	NumberReservationId
Retrieve the features for a list of numbers	client.NumbersFeatures.New()	POST /numbers_features	Create or provision an additional resource when the core tasks do not cover this flow.	PhoneNumbers
Lists the phone number blocks jobs	client.PhoneNumberBlocks.Jobs.List()	GET /phone_number_blocks/jobs	Inspect available resources or choose an existing resource before mutating it.	None
Deletes all numbers associated with a phone number block	client.PhoneNumberBlocks.Jobs.DeletePhoneNumberBlock()	POST /phone_number_blocks/jobs/delete_phone_number_block	Create or provision an additional resource when the core tasks do not cover this flow.	PhoneNumberBlockId
Retrieves a phone number blocks job	client.PhoneNumberBlocks.Jobs.Get()	GET /phone_number_blocks/jobs/{id}	Fetch the current state before updating, deleting, or making control-flow decisions.	Id
List sub number orders	client.SubNumberOrders.List()	GET /sub_number_orders	Inspect available resources or choose an existing resource before mutating it.	None
Retrieve a sub number order	client.SubNumberOrders.Get()	GET /sub_number_orders/{sub_number_order_id}	Fetch the current state before updating, deleting, or making control-flow decisions.	SubNumberOrderId
Update a sub number order's requirements	client.SubNumberOrders.Update()	PATCH /sub_number_orders/{sub_number_order_id}	Modify an existing resource without recreating it.	SubNumberOrderId
Cancel a sub number order	client.SubNumberOrders.Cancel()	PATCH /sub_number_orders/{sub_number_order_id}/cancel	Modify an existing resource without recreating it.	SubNumberOrderId
Create a sub number orders report	client.SubNumberOrdersReport.New()	POST /sub_number_orders_report	Create or provision an additional resource when the core tasks do not cover this flow.	None
Retrieve a sub number orders report	client.SubNumberOrdersReport.Get()	GET /sub_number_orders_report/{report_id}	Fetch the current state before updating, deleting, or making control-flow decisions.	ReportId
Download a sub number orders report	client.SubNumberOrdersReport.Download()	GET /sub_number_orders_report/{report_id}/download	Fetch the current state before updating, deleting, or making control-flow decisions.	ReportId

Other Webhook Events

Event	data.event_type	Description
numberOrderStatusUpdate	number.order.status.update	Number Order Status Update

---

For exhaustive optional parameters, full response schemas, and complete webhook payloads, see references/api-details.md.