KYE Protocol™ SDKs — TypeScript, Python, Go.

TypeScript. Python. Go. Same names.

Generated from canonical KYE schemas. TypeScript and Python ship today; Go in alpha.

Plain Q&A

Short questions. Short answers.

What is KYE™? A protocol for AI governance.
What does the SDK do? It signs every call. It verifies every reply.
Which language? TypeScript, Python, or Go.
Do I need a key? Yes. You keep it.
Free to use? Yes. Apache 2.0.
Sandbox tokens? Free. One click.
Pilot tokens? Free for 30 days.
Do you log my data? No. Not ever.

TypeScript

npm install @kye-protocol/sdk
# or: pnpm add @kye-protocol/sdk
# or: yarn add @kye-protocol/sdk

Tree-shakeable, bundles types from the canonical schemas. Targets Node 18+ and modern browsers.

Python

pip install kye-protocol
# or: poetry add kye-protocol

Pydantic v2 models, sync + async clients, runs on Python 3.10+.

Go

go get github.com/kye-protocol/kye-go

alpha — tracking the schema package and the OpenAPI spec.

Issue a delegation

TypeScript:

const delegation = await kye.delegations.create({
  actor:     "kye:agent:acme.kyc_triage_001",
  principal: "kye:user:acme.compliance_lead",
  subject:   "kye:business:retail_customer_segment",
  scope:     ["kyc.verify", "kyc.read"],
  expires_at:"2026-12-31T00:00:00Z"
});

Python:

delegation = kye.delegations.create(
    actor="kye:agent:acme.kyc_triage_001",
    principal="kye:user:acme.compliance_lead",
    subject="kye:business:retail_customer_segment",
    scope=["kyc.verify", "kyc.read"],
    expires_at="2026-12-31T00:00:00Z",
)

Get a decision

const d = await kye.decisions.create({
  actor: "kye:agent:acme.kyc_triage_001",
  principal: "kye:user:acme.compliance_lead",
  capability: "kyc.verify",
  context: { customer_id: "cust_001", region: "EU" }
});
if (d.decision === "allow") { /* proceed */ }
else if (d.decision === "require_human_review") { /* queue */ }

Download an evidence pack

curl -H "Authorization: Bearer $KYE_API_KEY" \
  https://api.kyeprotocol.com/v1/evidence-packs/kye:evidence-pack:adoption_acme_q1_2026 \
  -o pack.json
# verify hash + signature locally:
kye-cli evidence verify pack.json --key-id kye-evidence-signing-2026-q1

SDK source repos: kye-typescript · kye-python · kye-go.