HappyHorse 1.1 API
alibaba/happyhorse-1.1/reference-to-videoOd 105 kredytów za klip 5-sekundowy· Wideo z referencjiHappyHorse 1.1 reference-to-video prowadzi jedno ujęcie na podstawie od jednego do dziewięciu uporządkowanych obrazów referencyjnych, utrzymując obsadę, kostiumy lub miejsce. Klipy 3–15 sekund w 720p lub 1080p w dziewięciu proporcjach, z generowanym dźwiękiem.
Wywołujesz go nazwą modelu alibaba/happyhorse-1.1/reference-to-video w POST /jobs/createTask, od 105 kredytów za klip 5-sekundowy (1,05 USD). Nowe konta dostają 30 darmowych kredytów, więc możesz najpierw przetestować go w Playgroundzie.
- Utwórz wideo
- Obraz w wideo
- Wideo z referencji
- Do 1080p
- Klipy 3–15 s
- Do 9 obrazów referencyjnych
- Proporcje obrazu: 9
alibaba/happyhorse-1.1/reference-to-videoPOST https://api.popnow.ai/api/v1/jobs/createTask# 1. Create the task. Keep the Idempotency-Key if you retry after a network error.
export IDEMPOTENCY_KEY="$(uuidgen)"
curl -X POST https://api.popnow.ai/api/v1/jobs/createTask \
-H "Authorization: Bearer $POPNOW_API_KEY" \
-H "Content-Type: application/json" \
-H "Idempotency-Key: $IDEMPOTENCY_KEY" \
-d '{
"model": "alibaba/happyhorse-1.1/reference-to-video",
"input": {
"prompt": "A slow aerial shot drifting over a misty pine forest at sunrise",
"reference_image_urls": [
"https://media.popnow.ai/influencer/examples/ava.webp"
],
"aspect_ratio": "16:9",
"resolution": "720p",
"duration_seconds": 5
}
}'
# 2. Copy data.taskId from the response, then poll until state is succeeded, failed, canceled or expired.
TASK_ID="TASK_ID_FROM_RESPONSE"
curl "https://api.popnow.ai/api/v1/jobs/recordInfo?taskId=$TASK_ID" \
-H "Authorization: Bearer $POPNOW_API_KEY"// Node 18+ (or any runtime with fetch). Keep the API key on your server.
const BASE = "https://api.popnow.ai/api/v1";
const headers = { Authorization: `Bearer ${process.env.POPNOW_API_KEY}` };
const sleep = (ms) => new Promise((r) => setTimeout(r, ms));
async function call(path, init = {}) {
const res = await fetch(BASE + path, { ...init, headers: { ...headers, ...init.headers } });
const body = await res.json();
if (body.code !== 200) throw new Error(`${body.code} ${body.msg}`);
return body.data;
}
const { taskId } = await call("/jobs/createTask", {
method: "POST",
headers: { "Content-Type": "application/json", "Idempotency-Key": crypto.randomUUID() },
body: JSON.stringify({
"model": "alibaba/happyhorse-1.1/reference-to-video",
"input": {
"prompt": "A slow aerial shot drifting over a misty pine forest at sunrise",
"reference_image_urls": [
"https://media.popnow.ai/influencer/examples/ava.webp"
],
"aspect_ratio": "16:9",
"resolution": "720p",
"duration_seconds": 5
}
}),
});
// Poll with backoff. A finished task may still be copying files: wait while an asset is pending.
let task;
for (let delay = 2000; ; delay = Math.min(delay * 1.5, 15000)) {
await sleep(delay);
task = await call(`/jobs/recordInfo?taskId=${taskId}`);
const copying = (task.output?.assets ?? []).some((a) => a.pending && !a.unavailable);
if (["succeeded", "failed", "canceled", "expired"].includes(task.state) && !copying) break;
}
if (task.state !== "succeeded") throw new Error(`${task.state}: ${task.errorMessage ?? "no detail"}`);
// Each asset has a signed url (no API key needed) that expires at expiresAt: save the file.
for (const asset of task.output.assets) console.log(asset.url);import os, time, uuid, requests
BASE = "https://api.popnow.ai/api/v1"
HEADERS = {"Authorization": f"Bearer {os.environ['POPNOW_API_KEY']}"}
def call(method, path, **kwargs):
body = requests.request(method, BASE + path, headers={**HEADERS, **kwargs.pop("headers", {})}, timeout=30, **kwargs).json()
if body["code"] != 200:
raise RuntimeError(f'{body["code"]} {body["msg"]}')
return body["data"]
task_id = call(
"POST",
"/jobs/createTask",
headers={"Idempotency-Key": str(uuid.uuid4())}, # reuse it if you retry
json={
"model": "alibaba/happyhorse-1.1/reference-to-video",
"input": {
"prompt": "A slow aerial shot drifting over a misty pine forest at sunrise",
"reference_image_urls": [
"https://media.popnow.ai/influencer/examples/ava.webp"
],
"aspect_ratio": "16:9",
"resolution": "720p",
"duration_seconds": 5
}
},
)["taskId"]
# Poll with backoff. A finished task may still be copying files: wait while an asset is pending.
delay = 2.0
while True:
time.sleep(delay)
task = call("GET", "/jobs/recordInfo", params={"taskId": task_id})
assets = (task.get("output") or {}).get("assets") or []
copying = any(a.get("pending") and not a.get("unavailable") for a in assets)
if task["state"] in ("succeeded", "failed", "canceled", "expired") and not copying:
break
delay = min(delay * 1.5, 15.0)
if task["state"] != "succeeded":
raise RuntimeError(f'{task["state"]}: {task.get("errorMessage", "no detail")}')
# Each asset has a signed url (no API key needed) that expires at expiresAt: save the file.
for asset in assets:
print(asset["url"])input jest zbudowany ze schematu poniżej, więc przechodzi walidację bez zmian. Zamień prompt i linki na własne.
Cena
| Opcja | Kredyty za sekundę | ≈ USD |
|---|---|---|
resolution 720p | 21 | 0,21 USD |
resolution 1080p | 27 | 0,27 USD |
1 kredyt = 0,01 USD · Wszystkie opcje i ceny: GET /models/alibaba/happyhorse-1.1/reference-to-video
Limity
- Długość klipu
- 3–15 s
- Rozdzielczości
- 720p · 1080p
- Proporcje obrazu
- 16:9 · 9:16 · 1:1 · 4:3 · 3:4 · 4:5 +3
- Obrazy referencyjne
- 9
- Długość promptu (znaki)
- 2,500
Parametry
Te pola pochodzą z tego samego schematu, którym sprawdzamy każde żądanie. Pola spoza listy są odrzucane.
promptstringWymaganeDescribe the scene, action, camera movement, and timing.
reference_image_urlsarray<string>WymaganeObrazy osób, ubrań lub miejsc, które wynik ma zachować.
aspect_ratiostringOpcjonalneKształt kadru: szeroki, kwadratowy albo pionowy.
resolutionstringOpcjonalneZmienia cenęRozmiar wyniku. Większy jest ostrzejszy i droższy.
duration_secondsintegerOpcjonalneZmienia cenęDługość klipu. Płacisz za każdą sekundę.
seedintegerOpcjonalneTa sama liczba daje powtarzalny wynik.
Surowy JSON Schema
{
"additionalProperties": false,
"properties": {
"aspect_ratio": {
"default": "16:9",
"description": "Output aspect ratio.",
"enum": [
"16:9",
"9:16",
"1:1",
"4:3",
"3:4",
"4:5",
"5:4",
"9:21",
"21:9"
],
"type": "string"
},
"duration_seconds": {
"default": 5,
"description": "Output duration in seconds. Any integer from 3 to 15 is accepted; longer clips cost proportionally more.",
"maximum": 15,
"minimum": 3,
"type": "integer"
},
"prompt": {
"description": "Describe the scene, action, camera movement, and timing.",
"maxLength": 2500,
"minLength": 1,
"type": "string"
},
"reference_image_urls": {
"description": "Reference images in the order used by the prompt.",
"items": {
"contentMediaType": [
"image/jpeg",
"image/png",
"image/webp",
"image/gif"
],
"format": "uri",
"type": "string"
},
"maxItems": 9,
"minItems": 1,
"type": "array"
},
"resolution": {
"default": "720p",
"description": "Output video resolution.",
"enum": [
"720p",
"1080p"
],
"type": "string"
},
"seed": {
"description": "Random seed for controlled comparisons. Omit it to let each run pick its own.",
"maximum": 2147483647,
"minimum": 0,
"type": "integer"
}
},
"required": [
"prompt",
"reference_image_urls"
],
"type": "object"
}Prawdziwy wynik z HappyHorse 1.1
Place the candle jar from [Image 1] into the empty centre of the marble shelf in [Image 2], matching [Image 2]'s window-light direction and colour temperature. The camera pushes in slowly as the wick lights and a thread of smoke rises; the flame's warm glow adds a second light onto the marble and the linen.
{
"model": "alibaba/happyhorse-1.1/reference-to-video",
"input": {
"prompt": "Place the candle jar from [Image 1] into the empty centre of the marble shelf in [Image 2], matching [Image 2]'s window-light direction and colour temperature. The camera pushes in slowly as the wick lights and a thread of smoke rises; the flame's warm glow adds a second light onto the marble and the linen.",
"reference_image_urls": [
"https://media.popnow.ai/influencer/examples/ava.webp"
],
"aspect_ratio": "1:1",
"resolution": "1080p",
"duration_seconds": 5
}
}Ten wynik powstał z przesłanego pliku: wstaw własny link w miejsce przykładowego.
Odpowiedzi, odpytywanie i callbacki
Wszystkie modele działają tak samo: utwórz zadanie, a potem odpytuj je albo poczekaj na callback.
Najpierw cena
curl -X POST https://api.popnow.ai/api/v1/jobs/quote \
-H "Authorization: Bearer $POPNOW_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "alibaba/happyhorse-1.1/reference-to-video",
"input": {
"prompt": "A slow aerial shot drifting over a misty pine forest at sunrise",
"reference_image_urls": [
"https://media.popnow.ai/influencer/examples/ava.webp"
],
"aspect_ratio": "16:9",
"resolution": "720p",
"duration_seconds": 5
}
}'To samo ciało co createTask. Zwraca przewidywaną i maksymalną możliwą opłatę, niczego nie uruchamiając.
Przyjęte
HTTP/1.1 202 Accepted
{
"code": 200,
"msg": "success",
"data": {
"taskId": "task_01k3m8x9q2z4v7n5p6r8s0t1w3",
"state": "queued"
},
"request_id": "req_example_create"
}HTTP 202 oznacza, że zadanie przyjęto, a kredyty są zarezerwowane, jeszcze nie pobrane. Ostateczna opłata nigdy nie przekroczy rezerwacji.
Sprawdź status
curl "https://api.popnow.ai/api/v1/jobs/recordInfo?taskId=$TASK_ID" \
-H "Authorization: Bearer $POPNOW_API_KEY"Odpytuj co kilka sekund, stopniowo wydłużając odstęp, i przestań, gdy state ma wartość succeeded, failed, canceled lub expired.
Gotowe zadanie
{
"code": 200,
"msg": "success",
"data": {
"taskId": "task_01k3m8x9q2z4v7n5p6r8s0t1w3",
"model": "alibaba/happyhorse-1.1/reference-to-video",
"state": "succeeded",
"output": {
"assets": [
{
"url": "https://cdn.popnow.ai/tasks/task_01k3m8x9q2z4v7n5p6r8s0t1w3/output.mp4?signature=FROM_RESPONSE",
"expiresAt": "2026-10-17T12:20:00Z",
"mime": "video/mp4",
"width": 1280,
"height": 720,
"durationSeconds": 5
}
]
},
"settled": true
},
"request_id": "req_example_record"
}Pobierz plik z url przed expiresAt. Potrzebujesz później nowego linku? Poproś o niego przez POST /common/download-url.
Weryfikacja callbacku
import { createHash, createHmac, timingSafeEqual } from "node:crypto";
import express from "express";
const app = express();
// express.raw keeps the exact bytes that were signed; express.json would not match.
app.post("/hooks/popnow", express.raw({ type: "application/json" }), (req, res) => {
const timestamp = req.header("X-Webhook-Timestamp");
const signature = req.header("X-Webhook-Signature") ?? "";
const body = JSON.parse(req.body.toString("utf8"));
const taskId = body.data?.taskId ?? body.task_id;
const digest = createHash("sha256").update(req.body).digest("hex");
const expected = createHmac("sha256", process.env.POPNOW_WEBHOOK_SECRET)
.update(`${taskId}.${timestamp}.${digest}`)
.digest("base64");
const ok = expected.length === signature.length && timingSafeEqual(Buffer.from(expected), Buffer.from(signature));
// Check the signature first, then reject anything older than five minutes.
if (!ok || Math.abs(Date.now() / 1000 - Number(timestamp)) > 300) return res.status(401).end();
res.status(200).end(); // answer fast, then fetch the task and store its files
});Gdy ustawisz callBackUrl, wyślemy ci gotowe zadanie. Zanim mu zaufasz, sprawdź podpis na surowym ciele żądania.
Wysyłanie pliku lokalnego
curl -X POST https://api.popnow.ai/api/v1/common/upload-url \
-H "Authorization: Bearer $POPNOW_API_KEY" \
-H "Content-Type: application/json" \
-d '{"contentType": "image/png", "bytes": 482113}'
# PUT the file bytes to data.uploadUrl with every header in data.headers, then commit it:
curl -X POST https://api.popnow.ai/api/v1/files/$FILE_ID/commit \
-H "Authorization: Bearer $POPNOW_API_KEY"
# The commit returns a popnow://f/... reference. Put it in any image, video or
# audio field of the task input instead of a public https URL.Publiczne linki https działają bez zmian. Pliki lokalne przechodzą najpierw przez upload-url i commit.

