List a variant's chains
curl --request GET \
--url https://api.example.com/v1/variants/{variant_id}/chains \
--header 'Authorization: Bearer <token>'import requests
url = "https://api.example.com/v1/variants/{variant_id}/chains"
headers = {"Authorization": "Bearer <token>"}
response = requests.get(url, headers=headers)
print(response.text)const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};
fetch('https://api.example.com/v1/variants/{variant_id}/chains', 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.example.com/v1/variants/{variant_id}/chains",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://api.example.com/v1/variants/{variant_id}/chains"
req, _ := http.NewRequest("GET", url, nil)
req.Header.Add("Authorization", "Bearer <token>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.get("https://api.example.com/v1/variants/{variant_id}/chains")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.example.com/v1/variants/{variant_id}/chains")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'
response = http.request(request)
puts response.read_body[
{
"chain_id": "99998888-7777-6666-5555-444433332222",
"role": "heavy",
"variable_sequence": "QVQLVESGGGLVQPGGSLRLSCAASGFTFSDYAMSWVRQAPGKGLEWVSAITWSGGSTYYADSVKGRFTISRDNSKNTLYLQMNSLRAEDTAVYYCAKDRGTTMVPFDYWGQGTLVTVSS"
}
]{
"code": "insufficient_credits",
"credit_balance": 0,
"credit_cost": 1,
"detail": "Humanization costs 1 credit; balance is 0.",
"instance": "/v1/jobs",
"request_id": "req_01JBX6Y6ZK6N8Q7YJ0F5VX2C3D",
"status": 402,
"title": "Insufficient credits",
"type": "https://docs.kallima.bio/errors/insufficient_credits"
}{
"code": "insufficient_credits",
"credit_balance": 0,
"credit_cost": 1,
"detail": "Humanization costs 1 credit; balance is 0.",
"instance": "/v1/jobs",
"request_id": "req_01JBX6Y6ZK6N8Q7YJ0F5VX2C3D",
"status": 402,
"title": "Insufficient credits",
"type": "https://docs.kallima.bio/errors/insufficient_credits"
}{
"code": "insufficient_credits",
"credit_balance": 0,
"credit_cost": 1,
"detail": "Humanization costs 1 credit; balance is 0.",
"instance": "/v1/jobs",
"request_id": "req_01JBX6Y6ZK6N8Q7YJ0F5VX2C3D",
"status": 402,
"title": "Insufficient credits",
"type": "https://docs.kallima.bio/errors/insufficient_credits"
}{
"code": "insufficient_credits",
"credit_balance": 0,
"credit_cost": 1,
"detail": "Humanization costs 1 credit; balance is 0.",
"instance": "/v1/jobs",
"request_id": "req_01JBX6Y6ZK6N8Q7YJ0F5VX2C3D",
"status": 402,
"title": "Insufficient credits",
"type": "https://docs.kallima.bio/errors/insufficient_credits"
}variants
List a variant's chains
List the chain sequences attached to a variant.
A mAb variant returns two chains (heavy + light); a nanobody
returns one (vhh); constructs return as many as were assembled
(e.g., scFv + Fc).
Cost: read — rate bucket only.
GET
/
v1
/
variants
/
{variant_id}
/
chains
List a variant's chains
curl --request GET \
--url https://api.example.com/v1/variants/{variant_id}/chains \
--header 'Authorization: Bearer <token>'import requests
url = "https://api.example.com/v1/variants/{variant_id}/chains"
headers = {"Authorization": "Bearer <token>"}
response = requests.get(url, headers=headers)
print(response.text)const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};
fetch('https://api.example.com/v1/variants/{variant_id}/chains', 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.example.com/v1/variants/{variant_id}/chains",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://api.example.com/v1/variants/{variant_id}/chains"
req, _ := http.NewRequest("GET", url, nil)
req.Header.Add("Authorization", "Bearer <token>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.get("https://api.example.com/v1/variants/{variant_id}/chains")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.example.com/v1/variants/{variant_id}/chains")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'
response = http.request(request)
puts response.read_body[
{
"chain_id": "99998888-7777-6666-5555-444433332222",
"role": "heavy",
"variable_sequence": "QVQLVESGGGLVQPGGSLRLSCAASGFTFSDYAMSWVRQAPGKGLEWVSAITWSGGSTYYADSVKGRFTISRDNSKNTLYLQMNSLRAEDTAVYYCAKDRGTTMVPFDYWGQGTLVTVSS"
}
]{
"code": "insufficient_credits",
"credit_balance": 0,
"credit_cost": 1,
"detail": "Humanization costs 1 credit; balance is 0.",
"instance": "/v1/jobs",
"request_id": "req_01JBX6Y6ZK6N8Q7YJ0F5VX2C3D",
"status": 402,
"title": "Insufficient credits",
"type": "https://docs.kallima.bio/errors/insufficient_credits"
}{
"code": "insufficient_credits",
"credit_balance": 0,
"credit_cost": 1,
"detail": "Humanization costs 1 credit; balance is 0.",
"instance": "/v1/jobs",
"request_id": "req_01JBX6Y6ZK6N8Q7YJ0F5VX2C3D",
"status": 402,
"title": "Insufficient credits",
"type": "https://docs.kallima.bio/errors/insufficient_credits"
}{
"code": "insufficient_credits",
"credit_balance": 0,
"credit_cost": 1,
"detail": "Humanization costs 1 credit; balance is 0.",
"instance": "/v1/jobs",
"request_id": "req_01JBX6Y6ZK6N8Q7YJ0F5VX2C3D",
"status": 402,
"title": "Insufficient credits",
"type": "https://docs.kallima.bio/errors/insufficient_credits"
}{
"code": "insufficient_credits",
"credit_balance": 0,
"credit_cost": 1,
"detail": "Humanization costs 1 credit; balance is 0.",
"instance": "/v1/jobs",
"request_id": "req_01JBX6Y6ZK6N8Q7YJ0F5VX2C3D",
"status": 402,
"title": "Insufficient credits",
"type": "https://docs.kallima.bio/errors/insufficient_credits"
}Authorizations
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
Path Parameters
Response
Successful Response
Opaque chain identifier (UUID).
Example:
"99998888-7777-6666-5555-444433332222"
Chain role. One of: heavy, light, vhh, scfv, fc_only, targeting_domain.
Example:
"heavy"
Variable-region amino-acid sequence for this chain, if applicable.
Example:
"QVQLVESGGGLVQPGGSLRLSCAASGFTFS..."
⌘I