Synara

The developer-first event & invite API that fixes ICS issues

136 followers

The developer-first event & invite API that fixes ICS issues

136 followers

Synara is a developer-first calendar invite and event-sync service that replaces messyics files with fast, reliable API-driven scheduling that's built for modern apps. ICS is 25+ years old and parsed differently across providers. Updates get ignored, duplicated, or partially applied. Synara uses ACE, a clean JSON event format, to normalise event data. A single API call handles invites, updates, sync, and ICS fallback, so your app gets predictable behaviour everywhere.

Have a question about Synara? Ask it here and get a real answer.

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Forum Threads

p/synara

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2mo ago

Why Subscribed Calendars Stop Updating (And Why It Isn’t Your Fault)

Most developers who work with calendars eventually hit the same strange bug. Someone subscribes to your ICS feed. Everything looks fine. Then a day or two later nothing updates. Events go missing. Times drift. Outlook users swear the feed is frozen. Google polls whenever it feels like it. Apple refreshes until it doesn t.

You debug your code. You check the ICS. You regenerate the file. You wonder if you broke SEQUENCE again.

None of it fixes the problem.

p/synara

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2mo ago

Why Google Calendar Sometimes Ignores ICS Updates (and What Developers Can Do About It)

If you have ever sent calendar invites from your own backend, you have probably seen this problem:

You send an event update
The ICS file validates
Google Calendar imports it without errors
Nothing changes

No error. No warning. The update simply does not apply.

This is one of the most common issues developers face when working with ICS. The root cause is that Google interprets the specification differently from Outlook and Apple Calendar. The behaviour is not random. It is the result of several strict internal checks.

p/synara

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2mo ago

ICS Is 25 Years Old. Here’s Why I Built Synara to Replace It for Developers

If you ve ever tried to send calendar invites or event updates from your app, you ve probably discovered the same thing I did: ICS is really old, inconsistent, and every provider interprets it differently.

Google, Microsoft, and Apple all parse ICS with their own quirks.

That means:

Updates get ignored or duplicated
Recurring rules behave differently
RSVPs are unreliable across clients
Debugging is basically trial and error
And even small changes can break user trust

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Maker Comment

Synara

Maker

📌

I built Synara after running into the same problems every time I tried to send calendar invites from an app. The underlying ICS format is over 25 years old, parsed differently by every provider, and updates often get lost or interpreted inconsistently. Anyone who’s worked with Gmail ↔ Outlook syncing has seen this first-hand. To fix the foundation, I first created ACE, which is a modern JSON event format that removes the ambiguity you get with ICS. Synara uses ACE internally to represent every event cleanly, then handles invites, updates and ICS fallback automatically so behaviour stays predictable across providers. If you’ve dealt with ICS problems or written your own invite/update logic before, I’d love to hear what went wrong and what you wish a tool like this solved.

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2mo ago

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Forum Threads

p/synara

•

2mo ago

Why Subscribed Calendars Stop Updating (And Why It Isn’t Your Fault)

You debug your code. You check the ICS. You regenerate the file. You wonder if you broke SEQUENCE again.

None of it fixes the problem.

p/synara

•

2mo ago

Why Google Calendar Sometimes Ignores ICS Updates (and What Developers Can Do About It)

If you have ever sent calendar invites from your own backend, you have probably seen this problem:

You send an event update
The ICS file validates
Google Calendar imports it without errors
Nothing changes

No error. No warning. The update simply does not apply.

p/synara

•

2mo ago

ICS Is 25 Years Old. Here’s Why I Built Synara to Replace It for Developers

Google, Microsoft, and Apple all parse ICS with their own quirks.

That means:

Updates get ignored or duplicated
Recurring rules behave differently
RSVPs are unreliable across clients
Debugging is basically trial and error
And even small changes can break user trust

View all

Maker Comment

Synara

Maker

📌

Report

2mo ago

See discussion

Synara

The developer-first event & invite API that fixes ICS issues

The developer-first event & invite API that fixes ICS issues

Have a question about Synara? Ask it here and get a real answer.

Do you use Synara?

Forum Threads

Why Subscribed Calendars Stop Updating (And Why It Isn’t Your Fault)

Why Google Calendar Sometimes Ignores ICS Updates (and What Developers Can Do About It)

ICS Is 25 Years Old. Here’s Why I Built Synara to Replace It for Developers

Maker Comment

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Top reviewed

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Top forum threads

Have a question about Synara? Ask it here and get a real answer.

Do you use Synara?

Forum Threads

Why Subscribed Calendars Stop Updating (And Why It Isn’t Your Fault)

Why Google Calendar Sometimes Ignores ICS Updates (and What Developers Can Do About It)

ICS Is 25 Years Old. Here’s Why I Built Synara to Replace It for Developers

Maker Comment