curl --request GET \
--url https://api.example.com/v1/source-antibodies/{source_antibody_id} \
--header 'Authorization: Bearer <token>'import requests
url = "https://api.example.com/v1/source-antibodies/{source_antibody_id}"
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/source-antibodies/{source_antibody_id}', 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/source-antibodies/{source_antibody_id}",
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/source-antibodies/{source_antibody_id}"
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/source-antibodies/{source_antibody_id}")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.example.com/v1/source-antibodies/{source_antibody_id}")
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{
"created_at": "2026-04-21T14:05:00+00:00",
"id": "a1b2c3d4-e5f6-4789-89ab-cdef01234567",
"molecule_type": "mab",
"name": "Adalimumab",
"project_id": "7b4a3c0f-2e6d-4c7a-9e8f-1d3b5a2c4e6f",
"species_origin": "mouse",
"vh_sequence": "QVQLVESGGGLVQPGGSLRLSCAASGFTFSDYAMSWVRQAPGKGLEWVSAITWSGGSTYYADSVKGRFTISRDNSKNTLYLQMNSLRAEDTAVYYCAKDRGTTMVPFDYWGQGTLVTVSS",
"vl_sequence": "DIQMTQSPSSLSASVGDRVTITCRASQGIRNYLAWYQQKPGKAPKRLIYAASTLQSGVPSRFSGSGSGTDFTLTISSLQPEDVATYYCQRYNRAPYTFGQGTKVEIK"
}{
"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"
}Fetch a source antibody
Fetch a source antibody by ID.
Returns 404 not_found if the record does not exist or if it
belongs to a different organization — the two cases are deliberately
indistinguishable to avoid a tenant-existence oracle.
Cost: read — rate bucket only.
curl --request GET \
--url https://api.example.com/v1/source-antibodies/{source_antibody_id} \
--header 'Authorization: Bearer <token>'import requests
url = "https://api.example.com/v1/source-antibodies/{source_antibody_id}"
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/source-antibodies/{source_antibody_id}', 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/source-antibodies/{source_antibody_id}",
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/source-antibodies/{source_antibody_id}"
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/source-antibodies/{source_antibody_id}")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.example.com/v1/source-antibodies/{source_antibody_id}")
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{
"created_at": "2026-04-21T14:05:00+00:00",
"id": "a1b2c3d4-e5f6-4789-89ab-cdef01234567",
"molecule_type": "mab",
"name": "Adalimumab",
"project_id": "7b4a3c0f-2e6d-4c7a-9e8f-1d3b5a2c4e6f",
"species_origin": "mouse",
"vh_sequence": "QVQLVESGGGLVQPGGSLRLSCAASGFTFSDYAMSWVRQAPGKGLEWVSAITWSGGSTYYADSVKGRFTISRDNSKNTLYLQMNSLRAEDTAVYYCAKDRGTTMVPFDYWGQGTLVTVSS",
"vl_sequence": "DIQMTQSPSSLSASVGDRVTITCRASQGIRNYLAWYQQKPGKAPKRLIYAASTLQSGVPSRFSGSGSGTDFTLTISSLQPEDVATYYCQRYNRAPYTFGQGTKVEIK"
}{
"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
A source (parental) antibody sequence registered under a project.
Opaque source antibody identifier (UUID).
"a1b2c3d4-e5f6-4789-89ab-cdef01234567"
Display name.
"Adalimumab"
One of: mouse, rabbit, llama, human, synthetic, other.
"mouse"
Either mab (paired VH+VL) or nanobody (single-domain VHH).
"mab"
Heavy-chain variable region amino-acid sequence.
"QVQLVESGGGLVQPGGSLRLSCAASGFTFS..."
Parent project this antibody is registered under.
"7b4a3c0f-2e6d-4c7a-9e8f-1d3b5a2c4e6f"
ISO-8601 timestamp (UTC) when the record was created.
"2026-04-21T14:05:00+00:00"
Light-chain variable region amino-acid sequence. null for nanobodies.
"DIQMTQSPSSLSASVGDRVTITCRASQGIRN..."