Create custom cost item

curl --request POST \
  --url https://api.hyperline.co/v1/ai/billing/costs/items \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "provider": "anthropic",
  "item": "search",
  "dimensions": [
    {
      "key": "cached_input_tokens",
      "rate": "0.3",
      "per": "1m"
    }
  ]
}
'

import requests

url = "https://api.hyperline.co/v1/ai/billing/costs/items"

payload = {
    "provider": "anthropic",
    "item": "search",
    "dimensions": [
        {
            "key": "cached_input_tokens",
            "rate": "0.3",
            "per": "1m"
        }
    ]
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    provider: 'anthropic',
    item: 'search',
    dimensions: [{key: 'cached_input_tokens', rate: '0.3', per: '1m'}]
  })
};

fetch('https://api.hyperline.co/v1/ai/billing/costs/items', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.hyperline.co/v1/ai/billing/costs/items",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'provider' => 'anthropic',
    'item' => 'search',
    'dimensions' => [
        [
                'key' => 'cached_input_tokens',
                'rate' => '0.3',
                'per' => '1m'
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.hyperline.co/v1/ai/billing/costs/items"

	payload := strings.NewReader("{\n  \"provider\": \"anthropic\",\n  \"item\": \"search\",\n  \"dimensions\": [\n    {\n      \"key\": \"cached_input_tokens\",\n      \"rate\": \"0.3\",\n      \"per\": \"1m\"\n    }\n  ]\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.hyperline.co/v1/ai/billing/costs/items")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"provider\": \"anthropic\",\n  \"item\": \"search\",\n  \"dimensions\": [\n    {\n      \"key\": \"cached_input_tokens\",\n      \"rate\": \"0.3\",\n      \"per\": \"1m\"\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.hyperline.co/v1/ai/billing/costs/items")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"provider\": \"anthropic\",\n  \"item\": \"search\",\n  \"dimensions\": [\n    {\n      \"key\": \"cached_input_tokens\",\n      \"rate\": \"0.3\",\n      \"per\": \"1m\"\n    }\n  ]\n}"

response = http.request(request)
puts response.read_body

{
  "provider": "anthropic",
  "model": "claude-sonnet-5",
  "aliases": [
    "claude-sonnet-5-latest"
  ],
  "input_per_m_tokens": "3",
  "output_per_m_tokens": "15",
  "cached_input_per_m_tokens": "0.3",
  "cache_write_per_m_tokens": "3.75",
  "dimensions": [
    {
      "key": "cached_input_tokens",
      "rate": "0.3",
      "per": "1m"
    }
  ],
  "effective_from": "2026-09-01T00:00:00Z",
  "source": "official",
  "custom_item_id": null,
  "override": null
}

{
  "provider": "anthropic",
  "model": "claude-sonnet-5",
  "aliases": [
    "claude-sonnet-5-latest"
  ],
  "input_per_m_tokens": "3",
  "output_per_m_tokens": "15",
  "cached_input_per_m_tokens": "0.3",
  "cache_write_per_m_tokens": "3.75",
  "dimensions": [
    {
      "key": "cached_input_tokens",
      "rate": "0.3",
      "per": "1m"
    }
  ],
  "effective_from": "2026-09-01T00:00:00Z",
  "source": "official",
  "custom_item_id": null,
  "override": null
}

{
  "message": "<string>"
}

{
  "message": "<string>"
}

POST

billing

costs

items

Create custom cost item

curl --request POST \
  --url https://api.hyperline.co/v1/ai/billing/costs/items \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "provider": "anthropic",
  "item": "search",
  "dimensions": [
    {
      "key": "cached_input_tokens",
      "rate": "0.3",
      "per": "1m"
    }
  ]
}
'

import requests

url = "https://api.hyperline.co/v1/ai/billing/costs/items"

payload = {
    "provider": "anthropic",
    "item": "search",
    "dimensions": [
        {
            "key": "cached_input_tokens",
            "rate": "0.3",
            "per": "1m"
        }
    ]
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    provider: 'anthropic',
    item: 'search',
    dimensions: [{key: 'cached_input_tokens', rate: '0.3', per: '1m'}]
  })
};

fetch('https://api.hyperline.co/v1/ai/billing/costs/items', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.hyperline.co/v1/ai/billing/costs/items",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'provider' => 'anthropic',
    'item' => 'search',
    'dimensions' => [
        [
                'key' => 'cached_input_tokens',
                'rate' => '0.3',
                'per' => '1m'
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.hyperline.co/v1/ai/billing/costs/items"

	payload := strings.NewReader("{\n  \"provider\": \"anthropic\",\n  \"item\": \"search\",\n  \"dimensions\": [\n    {\n      \"key\": \"cached_input_tokens\",\n      \"rate\": \"0.3\",\n      \"per\": \"1m\"\n    }\n  ]\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.hyperline.co/v1/ai/billing/costs/items")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"provider\": \"anthropic\",\n  \"item\": \"search\",\n  \"dimensions\": [\n    {\n      \"key\": \"cached_input_tokens\",\n      \"rate\": \"0.3\",\n      \"per\": \"1m\"\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.hyperline.co/v1/ai/billing/costs/items")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"provider\": \"anthropic\",\n  \"item\": \"search\",\n  \"dimensions\": [\n    {\n      \"key\": \"cached_input_tokens\",\n      \"rate\": \"0.3\",\n      \"per\": \"1m\"\n    }\n  ]\n}"

response = http.request(request)
puts response.read_body

{
  "provider": "anthropic",
  "model": "claude-sonnet-5",
  "aliases": [
    "claude-sonnet-5-latest"
  ],
  "input_per_m_tokens": "3",
  "output_per_m_tokens": "15",
  "cached_input_per_m_tokens": "0.3",
  "cache_write_per_m_tokens": "3.75",
  "dimensions": [
    {
      "key": "cached_input_tokens",
      "rate": "0.3",
      "per": "1m"
    }
  ],
  "effective_from": "2026-09-01T00:00:00Z",
  "source": "official",
  "custom_item_id": null,
  "override": null
}

{
  "provider": "anthropic",
  "model": "claude-sonnet-5",
  "aliases": [
    "claude-sonnet-5-latest"
  ],
  "input_per_m_tokens": "3",
  "output_per_m_tokens": "15",
  "cached_input_per_m_tokens": "0.3",
  "cache_write_per_m_tokens": "3.75",
  "dimensions": [
    {
      "key": "cached_input_tokens",
      "rate": "0.3",
      "per": "1m"
    }
  ],
  "effective_from": "2026-09-01T00:00:00Z",
  "source": "official",
  "custom_item_id": null,
  "override": null
}

{
  "message": "<string>"
}

{
  "message": "<string>"
}

Authorizations

Authorization

string

header

required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Body

application/json

Create custom cost item payload

provider

string

required

AI model provider, or the vendor of a custom cost item. This is not an integration connection.

Minimum string length: 1

Example:

"anthropic"

item

string

required

Custom item name matching the usage payload.

Minimum string length: 1

Example:

"search"

dimensions

object[]

required

Additional billable dimensions; each key matches a usage_extra key and rates use the owning card's units or USD for cost-catalog dimensions.

Required array length: 1 - 10 elements

Show child attributes

Example:

[
  {
    "key": "cached_input_tokens",
    "rate": "0.3",
    "per": "1m"
  }
]

Response

The custom cost item already existed

provider

string

required

AI model provider, or the vendor of a custom cost item. This is not an integration connection.

Example:

"anthropic"

model

string

required

Model identifier, or custom item identifier. Null on wildcard pricing rows.

Example:

"claude-sonnet-5"

aliases

string[]

required

Alternative model names recognized by the cost catalog.

Example:

["claude-sonnet-5-latest"]

input_per_m_tokens

string

required

Provider cost in USD per million input tokens, as an exact decimal string.

Pattern: ^-?\d+(\.\d+)?(e[+-]?\d+)?$/i

Example:

"3"

output_per_m_tokens

string

required

Provider cost in USD per million output tokens, as an exact decimal string.

Pattern: ^-?\d+(\.\d+)?(e[+-]?\d+)?$/i

Example:

"15"

cached_input_per_m_tokens

string

required

Provider cost in USD per million cached input tokens, as an exact decimal string.

Pattern: ^-?\d+(\.\d+)?(e[+-]?\d+)?$/i

Example:

"0.3"

cache_write_per_m_tokens

string

required

Provider cost in USD per million cache write tokens, as an exact decimal string.

Pattern: ^-?\d+(\.\d+)?(e[+-]?\d+)?$/i

Example:

"3.75"

dimensions

object[]

required

Additional billable dimensions; each key matches a usage_extra key and rates use the owning card's units or USD for cost-catalog dimensions.

Show child attributes

Example:

[
  {
    "key": "cached_input_tokens",
    "rate": "0.3",
    "per": "1m"
  }
]

effective_from

string<date-time>

required

Time the price takes effect, as a UTC ISO 8601 timestamp.

Example:

"2026-09-01T00:00:00Z"

source

enum<string>

required

Source of the model or item cost.

official: Official model price registry.
override: Negotiated workspace cost override.
custom: Workspace-defined cost item.
unlisted: Observed usage without catalog pricing.

Available options:

official,

override,

custom,

unlisted

Example:

"official"

custom_item_id

string | null

required

Active custom cost-item version identifier used to update or delete the item; null for registry models. An update returns a new identifier and preserves historical prices.

Example:

null

override

object | null

required

Negotiated workspace cost override, or null when using registry rates.

Show child attributes

Example:

null

⌘I