"Automated posting" is easy to talk about abstractly — here's what genuinely happens, node by node, during one real run, from the moment it starts to the moment a post is live.
Step 1: the Trigger fires
Either a person clicks run (manual) or a timer reaches its scheduled moment — either way, this is what starts everything downstream. Nothing else in the chain does anything until this step happens.
Step 2: the data source is checked
An HTTP Request node reaches out to whatever API or feed the workflow depends on and waits for a response — this is usually the slowest single step in the whole chain, since it depends on an external system responding, not on anything the workflow controls directly.
Step 3 (optional): the data gets reshaped or interpreted
If the raw response needs reformatting, a Code node transforms it into the shape the template expects. If it needs actual interpretation — a one-line take on what the data means — a Custom Agent node drafts that text here.
Step 4 (optional): the If node decides whether to continue
If the workflow includes a relevance or quality filter, this is where it's checked — does the computed value cross a real threshold, does the data look complete and usable. If the condition isn't met, the chain stops here, and nothing gets published for this run. This is a deliberate, working outcome, not a failure.
Step 5: the template gets filled
Apply Template binds the resulting data into your saved design's placeholders — text, and a chart or table element if the template includes one. This step produces the actual finished visual, ready to publish.
Step 6: the Post node publishes
The finished post goes out to your connected Instagram account, with the caption and timing set in the Post node's panel. This is the only step that has an external, visible effect — everything before it happens invisibly, inside the workflow.
Watching this happen yourself
Reading this sequence is useful, but running the workflow on manual trigger and watching each node's actual output as it executes is the more concrete way to understand it — you can see exactly what the HTTP Request returned, what the Code node produced from it, and what the finished template looks like before it ever reaches Post. That's also the actual review mechanism this canvas relies on, not a separate debugging feature.
Why understanding the sequence matters
When something looks wrong on a published post, knowing this order tells you where to look first — a wrong number points at the data source or the Code node, a post that shouldn't have gone out points at the If node's condition, a design issue points at the template itself. The sequence is the map for diagnosing anything that goes unexpectedly.