SignalFacebook · post
Read a post published by a Facebook Page you manage. GET /api/v1/facebook/post accepts your x-api-key header. This endpoint returns live public data; demo mode is unavailable.
Request parameters
Owner-authorized partial through the official Meta Graph API. The URL must identify a numeric Page ID and post ID, and that exact Page must be connected by this SignalShelf user. The post is verified as belonging to the connected Page before its allowlisted fields are returned. Arbitrary public posts, personal profiles, comments, reactions, and media downloads are unavailable.
| Parameter | Type | Required | Description |
|---|---|---|---|
url | string | Yes | Canonical Facebook Page post URL containing a numeric Page ID and post ID. |
freshness | string | No | 24h (default), 1h, 7d, or live. Accepted cache hits are free; live forces refresh except simultaneous requests may share newly fetched data. |
Code examples
Set SIGNALSHELF_BASE_URL and SIGNALSHELF_API_KEY on your server.
curl "$SIGNALSHELF_BASE_URL/api/v1/facebook/post?url=url" \
-H "x-api-key: $SIGNALSHELF_API_KEY"const response = await fetch(process.env.SIGNALSHELF_BASE_URL + "/api/v1/facebook/post?url=url", {
headers: { 'x-api-key': process.env.SIGNALSHELF_API_KEY },
});
const body = await response.json();
if (!response.ok) throw new Error(body.error.message);
console.log(body.data, body.meta);import os, requests
response = requests.get(
os.environ['SIGNALSHELF_BASE_URL'] + "/api/v1/facebook/post?url=url",
headers={'x-api-key': os.environ['SIGNALSHELF_API_KEY']},
timeout=30,
)
response.raise_for_status()
print(response.json())Response and pagination
The response contains data and meta. data includes platform, resource, sample:false, provider, and the public source payload. Lists return data.items; individual resources return data.data.
Author feeds include data.next_cursor. Return it unchanged in cursor for the next page. Feed entries can include reposts. Single-post lookups resolve the handle to a DID first. Deleted or moderated posts may be unavailable.
meta includes event_id, mode, cache, credits_charged, fetched_at, age_seconds, and duration_ms. A fresh successful result costs one credit; accepted cached results and failures cost zero.
Availability and failures
Implementation is not a continuous availability guarantee. Source rate limits, retention, deleted content, restrictions, and regional availability apply. This is an independent SignalShelf contract, not a drop-in competitor response format.
400: invalid parameters. 401: missing/revoked key. 402: insufficient credits. 404: missing public resource. 429: SignalShelf throttle. 502/503: upstream failure or rate limit, with credit restored.