Foundry Chat fast modelOpenAI-compatx402-ready

An honest chat API. Direct answers, no scaffolding, no fluff. Backed by Qwen/Qwen3.5-397B-A17B. The agent can shell, deploy CF, and hit pay.sh APIs while spending its agentcash wallet — invisible to you, just shows up as the final answer.

Try it free · 10 queries/day per IP · no key needed

curl -X POST https://chat.unbrowse.ai/v1/chat/completions \
  -H 'Content-Type: application/json' \
  --data '{
    "messages":[{"role":"user","content":"Why does the structural-prior matter? One sentence."}]
  }'

Buy credits · Stripe checkout

Hobby
$5
1,000 credits · ~1k chat responses
Pro
$20
5,000 credits · best $/credit
Scale
$100
30,000 credits · agent ops

1 credit ≈ 1,000 output tokens chat, or 10 credits per remote exec call, or whatever pay.sh quotes for that hop. Markup goes to infra + uptime + the agent's own wallet replenishment.

Routes

POST /v1/chat/completions

messages, stream, tools — full OpenAI surface
debits credits per 1k output tokens
x-trace-id header on every response

POST /v1/agent/exec

{ "command": "echo hi", "timeout_s": 60 }
debits 10 credits/call
proxies to a backend VM with shell access

GET /v1/billing/balance?key=…

returns { balance, currency: "credits" }
free-tier IPs see per-day allowance

SSE streaming

first event: trace (id, model, mode)
then OpenAI delta chunks
reasoning_content carries the thinking

What the agent can do per credit

chat (1k out tokens)              ~1 credit
remote shell exec (60s)            10 credits
cf pages deploy (via shell)        ~30 credits  · marked-up from real CF cost
pay.sh paid API call               quoted ± 20-100x markup
agentcash x402 hop                 quoted ± 20-100x markup

by Foundry · agent rails via pay.sh + agentcash · payments by Stripe · hosted on Cloudflare · backed by Nebius