Wrong address?
Stvor blocks the payment before it goes out.

npm install @stvor/client

# Payment payload (RFC 8785 — hash the canonical bytes, not this comment block):
# {"amount":"50000.00","currency":"USDC","to":"0x4c1b82f71a9e3d0c8b5e6f2a1d4c7b9e0f3a8c1d"}
# payloadHash = SHA-256(canonical) = b36c8892571afafab33f0f389c62293948a7ff61f3064eca12700582756cda78
# (agentId, nonce) must be unique per commitment — use a fresh nonce every time.

curl -X POST https://api.stvor.xyz/commitments \
  -H 'Content-Type: application/json' \
  -H 'Authorization: Bearer stvor_test_tdesrpqe9auRopdcA2Ab-bFzF2xylw9v' \
  -d '{
    "agentId": "agt_sandbox_demo",
    "payloadHash": "b36c8892571afafab33f0f389c62293948a7ff61f3064eca12700582756cda78",
    "alg": "sha256",
    "nonce": "<any-unique-string>",
    "expiresAt": "2026-12-31T23:59:59.000Z"
  }'

# Same to / amount / currency as the committed payload → ALLOW (+ signed receipt inline)

curl -X POST https://api.stvor.xyz/verify \
  -H 'Content-Type: application/json' \
  -H 'Authorization: Bearer stvor_test_tdesrpqe9auRopdcA2Ab-bFzF2xylw9v' \
  -d '{
    "commitmentId": "cmt_FROM_COMMIT_RESPONSE",
    "intent": {
      "from": "agt_sandbox_demo",
      "to": "0x4c1b82f71a9e3d0c8b5e6f2a1d4c7b9e0f3a8c1d",
      "amount": "50000.00",
      "currency": "USDC"
    }
  }'

# Swap to after commit → PAYLOAD_MISMATCH → signed DENY

curl -X POST https://api.stvor.xyz/verify \
  -H 'Content-Type: application/json' \
  -H 'Authorization: Bearer stvor_test_tdesrpqe9auRopdcA2Ab-bFzF2xylw9v' \
  -d '{
    "commitmentId": "cmt_FROM_COMMIT_RESPONSE",
    "intent": {
      "from": "agt_sandbox_demo",
      "to": "0x9d0000000000000000000000000000000000000001",
      "amount": "50000.00",
      "currency": "USDC"
    }
  }'