API reference · Trust Fabric
Public key that signs every recorded decision
GET /fabric/decision-signing-key
Last reviewed 2026-10-02
GET /fabric/decision-signing-key
Public, no account needed: verify record signatures offline with this key.
Responses
| Status | Meaning | Body |
|---|---|---|
200 | Successful Response | JSON |
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
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 GET 'https://cainstudio.online/fabric/decision-signing-key' \
-H "X-API-Key: $CAIN_API_KEY"import json, os, urllib.request
req = urllib.request.Request('https://cainstudio.online/fabric/decision-signing-key', method='GET',
headers={"X-API-Key": os.environ["CAIN_API_KEY"]})
with urllib.request.urlopen(req, timeout=60) as r:
print(r.status, json.load(r))const res = await fetch("https://cainstudio.online/fabric/decision-signing-key", {
method: "GET",
headers: {
"X-API-Key": process.env.CAIN_API_KEY!,
},
});
console.log(res.status, await res.json());← Catalog grouped by Trust Fabric domain (what the homepage renders) · all 79 Trust Fabric calls · List this tenant's recent Fabric decisions →
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