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
Coasty API
8 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 readFrom Prototype to Production with the Coasty Computer Use API
Turn a quick desktop sketch into a stable production workflow. Use the Coasty computer use API to drive real apps, browsers and terminals with a single endpoint and track every step.
Coasty Blog4 min readHow to Verify Computer Use API Webhooks with HMAC Signatures
Secure your computer use agent responses using HMAC signatures. Build a verified webhook receiver that trusts only Coasty-signed payloads and handle 429 rate limits and 403 scope errors.
Coasty Blog4 min readScreenshot to Action: A Deep Dive Into the /v1/predict Endpoint
Build a computer use agent that reads the screen and clicks on real UI elements. The /v1/predict endpoint turns a screenshot and instruction into raw actions like move_to, click, type. Learn the request format, loop, and pricing.
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 readStateful Sessions vs Stateless Predict in the Computer Use API
You can run quick one-off tasks with the stateless /v1/predict endpoint at $0.04 per step. For long workflows that need memory, you get stateful sessions with /v1/sessions at $0.10 per session and $0.04 per predict call.
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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