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
computer use API
29 stories
Provision Cloud Machines on Demand with the /v1/machines API
Spin up real desktops, browsers, and terminals in seconds and run computer use agents against them. You can build self-healing regression suites, autonomous dev environments, or end‑to‑end web testing that sees the screen and acts like a human.
Coasty Blog3 min readVerify 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 readBuilding an Autonomous Agent That Finishes a Task With /v1/runs
Stop writing brittle selectors. This guide shows how to spin up a real desktop agent with a single POST to /v1/runs. You will learn the exact fields to configure, the billing model, and how to monitor progress with events.
Coasty Blog4 min readGround UI Elements to Coordinates with /v1/ground
Stop writing brittle selectors. The /v1/ground endpoint maps screen descriptions to exact x,y pixels so your computer use agent can click reliably. Build a robust computer use agent with real desktops, not just mock APIs.
Coasty Blog4 min readHuman in the Loop Automation: Awaiting Human and Resume in the Runs API
Build reliable computer use agents that pause when needed, let a human verify or intervene, then resume. Use the awaiting_human state and resume endpoint to orchestrate safe workflows.
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 readProvision Cloud Machines On-Demand With the /v1/machines API
Spin up real desktops and browsers for your computer use agent with the /v1/machines endpoint. Automate full workflows that need a live environment, not just API calls.
Coasty Blog3 min readBuild a Self-Running QA Testing Bot With the Computer Use API
Stop writing brittle selectors. Use the Coasty Computer Use API to drive a real desktop, click, type, and verify results. This guide shows you how to build a complete QA bot.
Coasty Blog2 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 readv3 vs v4: choosing a computer use model on the API
Pick the right Coasty CUA version for your workflow. v3 offers explicit control with a verifier, v4 runs autonomously with an on-board pass/fail check. Build robust computer use agents quickly.
Coasty Blog3 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 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 readTurn PyAutoGUI Code into Structured Actions with the Free Parse Endpoint
Stop writing brittle selectors. The free Coasty /v1/parse endpoint turns raw pyautogui mouse moves and clicks into structured actions your computer use agent can execute on any UI. Build reliable automation without guessing element IDs.
Coasty Blog3 min readCoasty Computer Use API Pricing: Every Endpoint, Every Cent
Stop guessing costs when you build a computer use agent. This guide lists every Coasty endpoint, the exact cents per call, and real usage patterns so you can budget with confidence.
Coasty Blog4 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 readOrchestrating Multi-Step Automations with the Workflows API
Build complex, stateful automation pipelines that handle branching, retries, and human approval. Drive real desktops, browsers, and terminals with a versioned JSON DSL and pay $0.05 per agent step. Get your key at https://coasty.ai/developers .
Coasty Blog4 min read
Showing 18 of 29 stories
Load more storiesAiByts Weekly Brief
Get the top AI news and tools straight to your inbox every week.
Weekly · AI news
Join 15,000+ AI enthusiasts