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Social media scheduling API: one endpoint for all 10 networks

Developers · July 2026 · 8 min read

A social media scheduling API lets your app publish to many networks through one endpoint instead of integrating each platform’s API separately. You send one authenticated request with your caption, target accounts, and a scheduled time, and the API handles publishing to Facebook, Instagram, X, LinkedIn, and the rest, then hands back proof each one went live.

What is a social media scheduling API?

It is a single REST endpoint you call from your own code to publish or schedule a post across every network you have connected. You authenticate once with an API key, name the accounts you want to post to, and the service does the platform-specific work behind one stable contract. PostDodo exposes exactly this: a JSON-over-HTTPS API at https://postdodo.com/api/v1 that reaches all 10 networks.

• The 10 networks, from one call: Bluesky, Mastodon, Facebook, Instagram, Threads, X, LinkedIn, TikTok, YouTube, and Pinterest.
• Same engine as the app: the API uses the same auto-retry and confirmation layer, so it never reports a post as published unless the platform confirmed it.
• One key, every account: your key carries the same account access you have in the dashboard.

Why use a scheduling API instead of each platform’s own API?

Because every network ships its own API, and wiring all of them yourself is a lot more than one HTTP call each. The real cost of the do-it-yourself path:

• A separate OAuth app and review per network. Each platform wants its own registered app, its own scopes, and in most cases a manual app review before you can post on a user’s behalf.
• Token refresh you have to babysit. Each connection hands back an access token that expires on its own schedule. Store, refresh, and re-authorize them, or posts start failing silently.
• A different request shape per platform. One network takes a single image, another needs a create-then-publish two-step, another caps your text at a different length. You maintain a special case for each.
• Rate limits and quotas that move. Every API has its own limits, and they change. You track and back off for each one.
• Ongoing maintenance. These APIs shift constantly. A scheduling API absorbs those changes behind one contract, so your integration does not break every time a platform ships an update.

A scheduling API collapses all of that into one integration. You build against a single endpoint once, and adding a network becomes connecting an account, not writing a new client. See how to cross-post to all platforms for the same idea from the content side.

What should you look for in a scheduling API?

Not all posting APIs are equal. The four things that actually matter when you are trusting one with your publishing:

• A simple, secure auth model. A single secret key sent as a bearer token, kept server-side and easy to rotate, beats juggling per-platform OAuth inside your own app.
• Confirmation of publish, not just an accepted request. The API should tell you each target actually went live, ideally with the platform’s own link, rather than returning 200 on submit and going quiet.
• Automatic retries. Transient platform errors and rate limits should retry with backoff, not silently drop the post.
• Honest, machine-readable errors. Every failure should return a clear error code and a human message, and let you see exactly which target failed and why.

How do you schedule a post with the PostDodo API?

Three calls: list your accounts to get their ids, create the scheduled post, then poll to confirm it published. Authenticate every request with your key as a bearer token. A missing or invalid key returns 401 Unauthorized.

Step 1: List your connected accounts

Call GET /api/v1/accounts to get the id of each connected account. You will pass these ids when you create the post.

curl https://postdodo.com/api/v1/accounts \
  -H "Authorization: Bearer pd_live_YOUR_API_KEY"

{
  "accounts": [
    { "id": "acct_x9f2", "platform": "facebook",  "handle": "your-page", "status": "active", "connected": true },
    { "id": "acct_b3kp", "platform": "instagram", "handle": "yourbrand", "status": "active", "connected": true }
  ]
}

Step 2: Create and schedule the post

POST to /api/v1/posts with your content, the target accountIds, and a scheduledAt time. Attach media by url. Omit scheduledAt to publish immediately.

curl https://postdodo.com/api/v1/posts \
  -H "Authorization: Bearer pd_live_YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "content": "Spring launch is live. Link in bio.",
    "accountIds": ["acct_x9f2", "acct_b3kp"],
    "scheduledAt": "2026-07-05T16:00:00+07:00",
    "media": [
      { "type": "image", "url": "https://cdn.example.com/launch.jpg" }
    ]
  }'

One rule to know: scheduledAt must carry a timezone offset, either a trailing Z for UTC or an offset like +07:00. An offset-less time would be read in the server’s timezone and silently shift by hours, so the API rejects it rather than guess:

{
  "error": "invalid_request",
  "message": "scheduledAt must include a timezone offset, e.g. 2026-07-05T09:00:00Z or 2026-07-05T16:00:00+07:00."
}

On success you get back the post id and its status. A scheduled post returns scheduled; an immediate one returns publishing with counts of how many targets posted versus failed.

{
  "id": "post_7Hq2Lp",
  "status": "scheduled"
}

Step 3: Confirm every target published

Poll GET /api/v1/posts to read each post back with its per-target status. A posted target includes the platform’s own live url, which is your receipt that it actually went out.

curl https://postdodo.com/api/v1/posts \
  -H "Authorization: Bearer pd_live_YOUR_API_KEY"

{
  "posts": [
    {
      "id": "post_7Hq2Lp",
      "body": "Spring launch is live. Link in bio.",
      "status": "published",
      "scheduledAt": "2026-07-05T16:00:00+07:00",
      "createdAt": "2026-07-02T09:12:04Z",
      "targets": [
        { "platform": "facebook",  "status": "posted", "url": "https://www.facebook.com/yourpage/posts/pfbid0abc123" },
        { "platform": "instagram", "status": "posted", "url": "https://www.instagram.com/p/Cy1AbCdEfGh/" }
      ]
    }
  ]
}

Each target reads queued, publishing, posted, or failed, and the parent post rolls up to published, partial, or failed. To cancel a scheduled post before it fires, call DELETE /api/v1/posts/:id. Full details are in the developer docs.

Build it yourself vs a scheduling API

The straight comparison between wiring every platform’s own API and calling one scheduling API.

How does the API confirm a post actually published?

This is the part most posting APIs skip. Accepting your request is not the same as the post going live. A token can be expired, media can be off-spec, or a platform can be rate-limiting, and a fire-and-forget API will still return a cheerful 200 while the post never appears. PostDodo treats a post as published only when the platform confirms it and returns a live link.

That confirmation shows up in GET /api/v1/posts: each target carries its own status and, once live, the platform’s own url. Transient failures retry automatically with backoff instead of being dropped, and a post that only partly went out rolls up as partial so you can see exactly which network failed. That is proof of delivery your code can act on. If silent failures have ever burned you, how to actually stop failed posts goes deeper on the pattern.

Want to wire confirmed multi-platform posting into your own app with one endpoint and one key? The PostDodo API reaches all 10 networks and returns a live-link receipt on every post, on flat pricing with no per-network or per-seat fee. Read the developer docs, start a free 7-day trial, and generate a key from Settings then API. See pricing first if you want.

Frequently asked questions

Related: the PostDodo API docs · how to stop failed posts