API reference · Trust Fabric
Which rule would decide this call? (no evidence, no quota)
POST /fabric/tool-rules/test
Last reviewed 2026-10-02
POST /fabric/tool-rules/test
Evaluates ONLY the tool rules -- not identity, OPA, risk or approvals. For the full chain use POST /fabric/decisions with record=false.
Parameters
| Name | In | Type | Meaning |
|---|---|---|---|
X-CAIN-Session | header | string or null |
Request body
ToolRuleTestRequest (required)
| Field | Type | Meaning |
|---|---|---|
path | string or null | |
service | string or null | |
agent_id | string or null | |
payload | object | |
rules | array of ToolRuleRequest or null | |
default_effect | string or null |
Responses
| Status | Meaning | Body |
|---|---|---|
200 | Successful Response | JSON |
422 | Validation Error | HTTPValidationError |
401 | No key, or a key that is not valid | JSON detail |
429 | Rate limit for your plan reached; retry after the Retry-After seconds | JSON detail |
Try it
This call changes data in the account the key belongs to.
The request goes from your browser straight to this site. Your key is not stored unless you tick the box, and then only in this tab's session storage.
Code
curl -sS -X POST 'https://cainstudio.online/fabric/tool-rules/test' \
-H "X-API-Key: $CAIN_API_KEY" \
-H 'Content-Type: application/json' \
-d '{"payload": {}}'import json, os, urllib.request
req = urllib.request.Request('https://cainstudio.online/fabric/tool-rules/test', method='POST',
headers={"X-API-Key": os.environ["CAIN_API_KEY"], "Content-Type": "application/json"},
data=json.dumps({
"payload": {}
}).encode())
with urllib.request.urlopen(req, timeout=60) as r:
print(r.status, json.load(r))const res = await fetch("https://cainstudio.online/fabric/tool-rules/test", {
method: "POST",
headers: {
"X-API-Key": process.env.CAIN_API_KEY!,
"Content-Type": "application/json",
},
body: JSON.stringify({
"payload": {}
}),
});
console.log(res.status, await res.json());Schemas used
HTTPValidationError · ToolRuleCondition · ToolRuleRequest · ToolRuleTestRequest · ToolRuleTransform · ValidationError
← Every change to this tenant's tool rules · all 79 Trust Fabric calls · Change a tool rule (its version increments) →
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