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.
Not tested: has real-world effectsour last check, 2026-09-24
0 of 0checks answered this week
n/amedian answer time
$0.05listed price per call
n/aprice it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://ausca.com/v1/extend-inbox
| Category | Everything else |
|---|---|
| Provider host | ausca.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 22 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
We never call tools that send, buy, move money or file anything, not even without paying.
Example input (from the provider)
{
"body": {
"idempotency_key": "ausca-x402-discovery-example",
"input": {
"additional_duration_seconds": 86400,
"expected_expires_at": "2026-09-01T01:00:00.000Z",
"extension_authorization": "aue_AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
"inbox_id": "inb_0123456789abcdef0123456789abcdef01234567"
},
"input_schema_digest": "sha256:f19bd6463ce1c5123385231dd60984264a5a94587383e1351083817dcc1cba4f",
"offer_id": "inbox.extend",
"offer_revision": "extend-duration-r3",
"offer_revision_digest": "sha256:99391570fee1ffa5752f5c02582e773fbf9f96d379f9e5859ef9d24af58d6832",
"output_schema_digest": "sha256:4ac04a385731095a6fa7f1de251456ee3da396fe6a1876483b36eadd23fad09c"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$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": "