Publish everywhere.
Integrate once.

curl -X POST https://social-publish-api.onrender.com/v1/posts \
  -H "x-access-key: $RELAYCAST_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "content": "Launch day 🚀 Our public API is live.",
    "media": [{ "url": "https://cdn.acme.com/launch.mp4", "type": "video" }],
    "targets": [
      { "accountId": "3f1c2a9e-…" },
      { "accountId": "8b7d4c21-…" },
      { "accountId": "c2e95a10-…", "options": { "title": "Launch day" } }
    ],
    "scheduledFor": "2026-11-02T09:00:00+05:30"
  }'

const res = await fetch("https://social-publish-api.onrender.com/v1/posts", {
  method: "POST",
  headers: {
    "x-access-key": process.env.RELAYCAST_API_KEY!,
    "Content-Type": "application/json",
    "Idempotency-Key": crypto.randomUUID(), // safe to retry
  },
  body: JSON.stringify({
    content: "Launch day 🚀 Our public API is live.",
    targets: accounts.map((a) => ({ accountId: a.id })),
    publishNow: true,
  }),
});
const { data: post } = await res.json(); // one result per platform

import os, uuid, requests

res = requests.post(
    "https://social-publish-api.onrender.com/v1/posts",
    headers={
        "x-access-key": os.environ["RELAYCAST_API_KEY"],
        "Idempotency-Key": str(uuid.uuid4()),
    },
    json={
        "content": "Launch day 🚀 Our public API is live.",
        "targets": [{"accountId": a["id"]} for a in accounts],
        "publishNow": True,
    },
)
post = res.json()["data"]  # one result per platform