Existence check for a blob by blake3 hash
curl --request HEAD \
--url http://127.0.0.1:8189/api/v2/assets/by-hash/{hash} \
--header 'Authorization: Bearer <token>'import requests
url = "http://127.0.0.1:8189/api/v2/assets/by-hash/{hash}"
headers = {"Authorization": "Bearer <token>"}
response = requests.head(url, headers=headers)
print(response.text)const options = {method: 'HEAD', headers: {Authorization: 'Bearer <token>'}};
fetch('http://127.0.0.1:8189/api/v2/assets/by-hash/{hash}', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_PORT => "8189",
CURLOPT_URL => "http://127.0.0.1:8189/api/v2/assets/by-hash/{hash}",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "HEAD",
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 := "http://127.0.0.1:8189/api/v2/assets/by-hash/{hash}"
req, _ := http.NewRequest("HEAD", 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.head("http://127.0.0.1:8189/api/v2/assets/by-hash/{hash}")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("http://127.0.0.1:8189/api/v2/assets/by-hash/{hash}")
http = Net::HTTP.new(url.host, url.port)
request = Net::HTTP::Head.new(url)
request["Authorization"] = 'Bearer <token>'
response = http.request(request)
puts response.read_body{
"error": {
"code": "invalid_workflow",
"message": "Node 12 (KSampler): required input 'model' is not connected",
"details": {
"node_errors": {
"12": [
{
"field": "model",
"reason": "missing_input"
}
]
}
}
}
}{
"error": {
"code": "invalid_workflow",
"message": "Node 12 (KSampler): required input 'model' is not connected",
"details": {
"node_errors": {
"12": [
{
"field": "model",
"reason": "missing_input"
}
]
}
}
}
}assets
Existence check for a blob by blake3 hash
200 if the calling account can mint from this blob, 404 otherwise. Same account-scoping as from-hash; lets a client decide between the dedup fast-path and a full upload before sending bytes.
HEAD
/
api
/
v2
/
assets
/
by-hash
/
{hash}
Existence check for a blob by blake3 hash
curl --request HEAD \
--url http://127.0.0.1:8189/api/v2/assets/by-hash/{hash} \
--header 'Authorization: Bearer <token>'import requests
url = "http://127.0.0.1:8189/api/v2/assets/by-hash/{hash}"
headers = {"Authorization": "Bearer <token>"}
response = requests.head(url, headers=headers)
print(response.text)const options = {method: 'HEAD', headers: {Authorization: 'Bearer <token>'}};
fetch('http://127.0.0.1:8189/api/v2/assets/by-hash/{hash}', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_PORT => "8189",
CURLOPT_URL => "http://127.0.0.1:8189/api/v2/assets/by-hash/{hash}",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "HEAD",
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 := "http://127.0.0.1:8189/api/v2/assets/by-hash/{hash}"
req, _ := http.NewRequest("HEAD", 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.head("http://127.0.0.1:8189/api/v2/assets/by-hash/{hash}")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("http://127.0.0.1:8189/api/v2/assets/by-hash/{hash}")
http = Net::HTTP.new(url.host, url.port)
request = Net::HTTP::Head.new(url)
request["Authorization"] = 'Bearer <token>'
response = http.request(request)
puts response.read_body{
"error": {
"code": "invalid_workflow",
"message": "Node 12 (KSampler): required input 'model' is not connected",
"details": {
"node_errors": {
"12": [
{
"field": "model",
"reason": "missing_input"
}
]
}
}
}
}{
"error": {
"code": "invalid_workflow",
"message": "Node 12 (KSampler): required input 'model' is not connected",
"details": {
"node_errors": {
"12": [
{
"field": "model",
"reason": "missing_input"
}
]
}
}
}
}Authorizations
Authorization: Bearer <api-key> — account-scoped API keys on Cloud and serverless. Self-hosted accepts unauthenticated requests by default and can be configured with a static bearer token.
Path Parameters
Content hash, written blake3:<hex>.
Response
Blob present and mintable by the caller.
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