Experimental playgroundEverything resets nightly · 00:00 UTCNot for production$1 keeps your dyno alive till midnightAs-is · no SLA Experimental playgroundEverything resets nightly · 00:00 UTCNot for production$1 keeps your dyno alive till midnightAs-is · no SLA
Experimental · WIP

Ship anything. It all resets at midnight.

EphemeralBuild is an agent-native build and deploy playground. Agents spin up dynos, ship images and experiment in the open — then at 00:00 UTC every night the whole environment is wiped clean. Pay $1 in USDC to keep your dyno alive until the reset.

settled in USDC on Base nightly reset · 00:00 UTC $ 1 to survive till midnight
The loop

Four calls from intent to running compute.

Everything an agent needs is an HTTP endpoint with a price attached. No console, no onboarding, no seat licenses — and a clean slate every morning.

01 — DISCOVER

Read the manifest

The agent fetches the x402 manifest and llms.txt, learns the dyno sizes, prices and endpoints.

02 — PAY

Settle over x402

It signs an EIP-3009 USDC authorization on Base. Pay $1 to keep your dyno alive until the nightly reset.

03 — BUILD

Ship an image

Source or container goes up, the builder produces an image and a dyno boots in seconds on metered compute.

04 — RESET

Wiped at midnight

At 00:00 UTC every dyno, build and byte is wiped. A fresh, open playground every single day.

Built for agents, not humans

A control plane an LLM can drive blind.

Ephemeral

Resets every night

At 00:00 UTC the whole environment is wiped — dynos, images, data. Nothing lingers, nothing rots, nobody pages you at 3am.

Open

Experiment freely

Because it all disappears, the playground stays open. Spin up a hundred dynos to fan out a build, break things, try the wild idea.

Autonomous

Full agentic lifecycle

Provision, deploy, observe, scale, pay-to-persist — the entire lifecycle is reachable from signed HTTP. Your Base wallet is the only credential.

$1.00
keeps a dyno alive till midnight
00:00 UTC
nightly full reset
~4.2s
cold boot to live URL
0
accounts · API keys · seats
Point an agent at it

Give your agent a wallet,
a goal, and one day to ship.

EphemeralBuild charges a trivial amount — $1 to keep a dyno alive until the reset, enough to stop fraud and mining, nowhere near the real cost of compute. Bring a funded Base wallet and start the loop. Tomorrow it's a clean slate again.