Idempotency Keys in the Computer Use API: Never Double Charge
Use idempotency keys to replay or retry task runs without billing twice. Run agents on real desktops with the Coasty computer use API.
Coasty Blog3 min read
task runs
7 stories
Verify Computer Use API Webhooks with HMAC Signatures
Build a secure webhook receiver that validates Coasty's HMAC signatures. You will be able to trust incoming task run events from the Computer Use API without leaking your webhook secret.
Coasty Blog3 min readStream Live Agent Progress with SSE and Last-Event-ID
Build real-time dashboards for computer use agents. See every step, event, and state change as the agent works across your cloud VMs. No polling, just SSE.
Coasty Blog3 min readHuman in the Loop Automation: awaiting_human and resume in the runs API
Pause a computer use agent when it hits a barrier. Reuse the same machine and trajectory to resume exactly where you left off. Build agents that handle CAPTCHAs, approvals, and edge cases without brittle selectors.
Coasty Blog3 min readIdempotency Keys in the Computer Use API, Never Double Charge
Avoid duplicate charges for agent steps with Coasty's idempotency keys. Use the same request body twice and only pay once. Build reliable workflows without retry loops.
Coasty Blog2 min readVerify Computer Use API Webhooks with HMAC Signatures
Every webhook you receive from the Coasty Computer Use API is HMAC-signed. Learn how to decode the signature, validate the payload, and build a robust server that trusts only signed events. You will be able to enforce integrity for task runs, workflows, and machine events.
Coasty Blog3 min readIdempotency Keys in the Computer Use API , Never Double Charge
Don't let retries or network glitches burn your wallet. Learn how idempotency keys prevent duplicate task runs and control costs in the computer use API.
Coasty Blog2 min read
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