Create numbers

Provisions with the carrier FIRST and records second.

POST /v1/tel/numbers

Tel → · All API references → · Get started →

Address	`https://api.hanzo.ai/v1/tel/numbers`
Method	`POST`
Operation	`post_tel_numbers`
Auth	`Authorization: Bearer $HANZO_API_KEY`

Provisions with the carrier FIRST and records second. The other order records a holding that may not exist, and a number the platform believes it owns but cannot use is worse than one it failed to buy.

Request

1 field, body application/json (required).

Field	In	Type	Required	Description
`e164`	body	string	—	E164 is the number to buy, in E.164 (a leading + and digits), exactly as the search returned it.

Response

Status	Body	Meaning
`201`	tel.Number	created
`default`	problem-details	refused

201 body — 8 fields.

Field	In	Type	Always	Description
`capable`	body	string[]	—	Capable is what the number can carry: any of "voice", "sms", "mms", "fax".
`country`	body	string	—	Country is the ISO 3166-1 alpha-2 code the number is issued under.
`currency`	body	string	—	Currency is the ISO 4217 code Monthly is denominated in.
`e164`	body	string	—	E164 is the number in E.164: a leading + and digits only, no spaces or dashes.
`id`	body	string	—	ID is the carrier's handle for the number, and the id every route here addresses it by.
`monthly`	body	integer (int64)	—	Monthly is the recurring rental in the MINOR unit of Currency (cents for USD), exactly as the carrier quoted it.
`org`	body	string	—	Org is the tenant holding the number.
`type`	body	string	—	Type is what kind of number it is: "local", "national", "tollfree" or "mobile".

Failure carries the platform error shape — see Errors.

Examples

CLI

SDK

HTTP

MCP

hanzo tel numbers create

.ts

.py

.go

.rs

.java

import { Configuration, TelApi } from 'hanzoai';

const api = new TelApi(new Configuration({ accessToken: process.env.HANZO_API_KEY }));
const { data } = await api.postTelNumbers({ e164: "<e164>" });

from hanzoai.cloud import ApiClient, Configuration
from hanzoai.cloud.api import TelApi

client = ApiClient(Configuration(access_token=os.environ["HANZO_API_KEY"]))
result = TelApi(client).post_tel_numbers(e164="<e164>")

cfg := hanzoai.NewConfiguration()
cfg.AddDefaultHeader("Authorization", "Bearer "+os.Getenv("HANZO_API_KEY"))
client := hanzoai.NewAPIClient(cfg)

resp, _, err := client.TelAPI.PostTelNumbers(context.Background()).Execute()
if err != nil {
	return err
}

use hanzo_client::apis::{configuration::Configuration, tel_api};

let mut cfg = Configuration::new();
cfg.bearer_access_token = std::env::var("HANZO_API_KEY").ok();

let result = tel_api::post_tel_numbers(&cfg, Default::default()).await?;

import ai.hanzo.cloud.ApiClient;
import ai.hanzo.cloud.api.TelApi;

ApiClient client = new ApiClient();
client.setBearerToken(System.getenv("HANZO_API_KEY"));

var result = new TelApi(client).postTelNumbers();

curl -X POST https://api.hanzo.ai/v1/tel/numbers \
  -H "Authorization: Bearer $HANZO_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
       "e164": "<e164>"
     }'

MCP reaches tel through the tel tool, which names its 10 operations with its own verbs — this one among them, under a name only MCP declares. describe explains any of them:

curl -X POST https://api.hanzo.ai/v1/mcp \
  -H "Content-Type: application/json" \
  -d '{
       "jsonrpc": "2.0",
       "id": 1,
       "method": "tools/call",
       "params": {
         "name": "describe",
         "arguments": {
           "op": "list_tel_calls"
         }
       }
     }'

Tel API · All Hanzo APIs · Interactive reference

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