API reference · Trust Fabric
Add a destination allow rule (enables egress enforcement)
POST /fabric/egress/rules
Last reviewed 2026-10-02
POST /fabric/egress/rules
Request body
EgressRuleRequest (required)
| Field | Type | Meaning |
|---|---|---|
target required | string | max length 253 |
ports | array of integer | |
schemes | array of string |
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/egress/rules' \
-H "X-API-Key: $CAIN_API_KEY" \
-H 'Content-Type: application/json' \
-d '{"target": "target"}'import json, os, urllib.request
req = urllib.request.Request('https://cainstudio.online/fabric/egress/rules', method='POST',
headers={"X-API-Key": os.environ["CAIN_API_KEY"], "Content-Type": "application/json"},
data=json.dumps({
"target": "target"
}).encode())
with urllib.request.urlopen(req, timeout=60) as r:
print(r.status, json.load(r))const res = await fetch("https://cainstudio.online/fabric/egress/rules", {
method: "POST",
headers: {
"X-API-Key": process.env.CAIN_API_KEY!,
"Content-Type": "application/json",
},
body: JSON.stringify({
"target": "target"
}),
});
console.log(res.status, await res.json());Schemas used
EgressRuleRequest · HTTPValidationError · ValidationError
← This tenant's action-tool allowlist (destinations) · all 79 Trust Fabric calls · Remove a destination allow rule →
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