84trust / 100

Open Inbox

by Ausca Agent Inbox in Email & messaging

x402 APIPassing, checked 3 h ago

Start one renewable random receive-only temporary email address, then wait for and read bounded inbound mail. Use it as a disposable email or throwaway inbox for agent workflows, and extend the same active address when more time is needed. No outbound email or mailbox suite.

POST https://ausca.com/v1/open-inbox

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
356 ms typical, 356 ms slowest 5%
Last check
3 h ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://ausca.com/v1/open-inbox" \
  -H "content-type: application/json" \
  -d '{"idempotency_key":"ausca-x402-discovery-example","input":{"duration_seconds":3600},"input_schema_digest":"sha256:a97f97a65bc02cd9267c048f17d06cef63f5c4b74b6cc4f9f9071684b3f943be","offer_id":"inbox.receive","offer_revision":"receive-duration-r4","offer_revision_digest":"sha256:6561864377668d65116b7a66887b24af8207f7509633b8184800094ee460e7e1","output_schema_digest":"sha256:b7435b8fca878463b21532066b8c645c05cf82c61ed040f609b7f048393d63c6"}'
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.03:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fausca.com%2Fv1%2Fopen-inbox
const res = await pay("https://ausca.com/v1/open-inbox", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"idempotency_key":"ausca-x402-discovery-example","input":{"duration_seconds":3600},"input_schema_digest":"sha256:a97f97a65bc02cd9267c048f17d06cef63f5c4b74b6cc4f9f9071684b3f943be","offer_id":"inbox.receive","offer_revision":"receive-duration-r4","offer_revision_digest":"sha256:6561864377668d65116b7a66887b24af8207f7509633b8184800094ee460e7e1","output_schema_digest":"sha256:b7435b8fca878463b21532066b8c645c05cf82c61ed040f609b7f048393d63c6"}),
});
console.log(await res.json());

Example input

{
  "idempotency_key": "ausca-x402-discovery-example",
  "input": {
    "duration_seconds": 3600
  },
  "input_schema_digest": "sha256:a97f97a65bc02cd9267c048f17d06cef63f5c4b74b6cc4f9f9071684b3f943be",
  "offer_id": "inbox.receive",
  "offer_revision": "receive-duration-r4",
  "offer_revision_digest": "sha256:6561864377668d65116b7a66887b24af8207f7509633b8184800094ee460e7e1",
  "output_schema_digest": "sha256:b7435b8fca878463b21532066b8c645c05cf82c61ed040f609b7f048393d63c6"
}

Example output

{
  "inspect_url": "/v1/invocations/ausca-discovery-example",
  "invocation": {
    "invocation_id": "ausca-discovery-example",
    "offer_revision_digest": "sha256:6561864377668d65116b7a66887b24af8207f7509633b8184800094ee460e7e1",
    "output": {
      "resource_lease": {
        "address": "inbox+0123456789abcdef0123456789abcdef01234567.89abcdef01234567@mail.ausca.com",
        "created_at": "2026-09-01T00:00:00Z",
        "expires_at": "2026-09-01T01:00:00Z",
        "inbox_id": "inb_0123456789abcdef0123456789abcdef01234567",
        "schema": "ausca.agent_inbox.lease.v1",
        "state": "active"
      }
    },
    "output_digest": "sha256:7d53e13cbbd9b11c67b03cf6c485ab0a955c36a436ded19beda0098ae8e09227",
    "receipt_ref": {
      "public_url": "https://runx.ai/r/0000000000000000000000000000000000000000000000000000000000000000",
      "type": "receipt",
      "uri": "runx:receipt:discovery-example"
    },
    "state": "succeeded",
    "updated_at": "2026-01-01T00:00:00Z"
  },
  "status": "accepted"
}

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
3 h agoPassed402356 ms$0.05