Add purchased time to the current expiry of one active receive-only inbox
Add purchased time to the current expiry of one active receive-only inbox. The same inbox id, address, messages, read/delete capability, and limits remain in place. Deleted or expired inboxes cannot be revived, and prepaid expiry cannot exceed 30 days from the extension time.
50000 (raw units)
price
14
calls / 30d
1
unique payers
2026-09-18
updated
Provider
ausca.com · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x26572ff23c6c52bfb1a69cb0c9114a8be443b422",
"asset": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
"amount": "50000",
"maxTimeoutSeconds": 60
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"body": {
"idempotency_key": "ausca-x402-discovery-example",
"input": {
"additional_duration_seconds": 86400,
"expected_expires_at": "2026-09-01T01:00:00.000Z",
"extension_authorization": "aue_AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
"inbox_id": "inb_0123456789abcdef0123456789abcdef01234567"
},
"input_schema_digest": "sha256:f19bd6463ce1c5123385231dd60984264a5a94587383e1351083817dcc1cba4f",
"offer_id": "inbox.extend",
"offer_revision": "extend-duration-r3",
"offer_revision_digest": "sha256:99391570fee1ffa5752f5c02582e773fbf9f96d379f9e5859ef9d24af58d6832",
"output_schema_digest": "sha256:4ac04a385731095a6fa7f1de251456ee3da396fe6a1876483b36eadd23fad09c"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"inspect_url": "/v1/invocations/ausca-discovery-example",
"invocation": {
"invocation_id": "ausca-discovery-example",
"offer_revision_digest": "sha256:99391570fee1ffa5752f5c02582e773fbf9f96d379f9e5859ef9d24af58d6832",
"output": {
"extension": {
"additional_duration_seconds": 86400,
"address": "inbox+0123456789abcdef0123456789abcdef01234567.89abcdef01234567@mail.ausca.com",
"expires_at": "2026-09-02T01:00:00.000Z",
"extended_at": "2026-09-01T00:30:00.000Z",
"inbox_id": "inb_0123456789abcdef0123456789abcdef01234567",
"previous_expires_at": "2026-09-01T01:00:00.000Z",
"schema": "ausca.agent_inbox.extension.v1",
"state": "active"
}
},
"output_digest": "sha256:66004d562e7ec85c0d5cf8504ed3d87e707671db55e74c2cd90ee1b59b3a72bd",
"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"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"idempotency_key": {
"maxLength": 128,
"minLength": 16,
"type": "string"
},
"input": {
"additionalProperties": false,
"properties": {
"additional_duration_seconds": {
"enum": [
3600,
86400,
604800
],
"type": "integer"
},
"expected_expires_at": {
"format": "date-time",
"pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]{1,3})?Z$",
"type": "string"
},
"extension_authorization": {
"pattern": "^aue_[A-Za-z0-9_-]{43}$",
"type": "string"
},
"inbox_id": {
"pattern": "^inb_[A-Za-z0-9_-]{22,64}$",
"type": "string"
}
},
"required": [
"inbox_id",
"extension_authorization",
"expected_expires_at",
"additional_duration_seconds"
],
"type": "object"
},
"input_schema_digest": {
"const": "sha256:f19bd6463ce1c5123385231dd60984264a5a94587383e1351083817dcc1cba4f"
},
"offer_id": {
"const": "inbox.extend"
},
"offer_revision": {
"const": "extend-duration-r3"
},
"offer_revision_digest": {
"const": "sha256:99391570fee1ffa5752f5c02582e773fbf9f96d379f9e5859ef9d24af58d6832"
},
"output_schema_digest": {
"const": "sha256:4ac04a385731095a6fa7f1de251456ee3da396fe6a1876483b36eadd23fad09c"
}
},
"required": [
"offer_id",
"offer_revision",
"offer_revision_digest",
"input_schema_digest",
"output_schema_digest",
"input",
"idempotency_key"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"inspect_url": {
"pattern": "^/v1/invocations/[A-Za-z0-9][A-Za-z0-9._:-]*$",
"type": "string"
},
"invocation": {
"properties": {
"invocation_id": {
"maxLength": 128,
"minLength": 1,
"pattern": "^[A-Za-z0-9][A-Za-z0-9._:-]*$",
"type": "string"
},
"offer_revision_digest": {
"const": "sha256:99391570fee1ffa5752f5c02582e773fbf9f96d379f9e5859ef9d24af58d6832"
},
"output": {
"additionalProperties": false,
"properties": {
"extension": {
"additionalProperties": false,
"properties": {
"additional_duration_seconds": {
"type": "integer"
},
"address": {
"format": "email",
"maxLength": 320,
"minLength": 3,
"type": "string"
},
"expires_at": {
"format": "date-time",
"type": "string"
},
"extended_at": {
"format": "date-time",
"type": "string"
},
"inbox_id": {
"pattern": "^inb_[A-Za-z0-9_-]{22,64}$",
"type": "string"
},
"previous_expires_at": {
"format": "date-time",
"type": "string"
},
"schema": {
"const": "ausca.agent_inbox.extension.v1"
},
"state": {
"const": "active"
}
},
"required": [
"schema",
"inbox_id",
"address",
"state",
"additional_duration_seconds",
"previous_expires_at",
"expires_at",
"extended_at"
],
"type": "object"
}
},
"required": [
"extension"
],
"type": "object"
},
"output_digest": {
"pattern": "^sha256:[a-f0-9]{64}$",
"type": "string"
},
"receipt_ref": {
"properties": {
"public_url": {
"format": "uri",
"maxLength": 2048,
"pattern": "^https://[^?#]+/r/[a-f0-9]{64}$",
"type": "string"
},
"type": {
"const": "receipt"
},
"uri": {
"maxLength": 512,
"minLength": 1,
"type": "string"
}
},
"required": [
"type",
"uri"
],
"type": "object"
},
"state": {
"enum": [
"admitted",
"running",
"succeeded",
"failed",
"cancellation_requested",
"cancelled"
],
"type": "string"
},
"updated_at": {
"format": "date-time",
"type": "string"
}
},
"required": [
"invocation_id",
"offer_revision_digest",
"state",
"updated_at"
],
"type": "object"
},
"status": {
"const": "accepted"
}
},
"required": [
"status",
"invocation",
"inspect_url"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
}Use it
curl
curl "https://ausca.com/v1/extend-inbox" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://ausca.com/v1/extend-inbox");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://ausca.com/v1/extend-inbox")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/6819.json, and this resource appears in /discovery/resources and /discovery/search.