Create a Link checkout session

Owner only. credits is limited to 100 or 500 (i.e. $1.00 or $5.00 at 1 credit = $0.01). Requires an Idempotency-Key.

POST/v1/payments/checkout

Authorization

AuthorizationBearer token (JWT) · headerrequired

Clerk human owner session JWT; iss must equal the configured Clerk issuer and the identity must be a human (not agent) owner with a verified email.

AuthorizationOAuth2 access token · headerrequired

Scopes:agentsub:owner

Header parameters

Idempotency-Keystringrequired

Required only where this parameter is listed. Same payload/key recovers prior operation; secret replays omit plaintext.

matches ^[A-Za-z0-9._:-]{1,200}$

Request body

requiredapplication/json

agentIdstringrequired

min length 1 · max length 200

creditsintegerrequired

Allowed:100500

Responses

200

Checkout session (hosted Link approval URL)

object

400

invalid_input or idempotency_required payment error

codestringrequired

Allowed:owner_requiredagent_mismatchidempotency_requiredinvalid_inputstripe_signature_requiredpayment_unavailable

statusintegerrequired

403

owner_required when called with an agent token

codestringrequired

Allowed:owner_requiredagent_mismatchidempotency_requiredinvalid_inputstripe_signature_requiredpayment_unavailable

statusintegerrequired

503

payment_unavailable

codestringrequired

Allowed:owner_requiredagent_mismatchidempotency_requiredinvalid_inputstripe_signature_requiredpayment_unavailable

statusintegerrequired

Request

curl -X POST 'https://api.agentsub.dev/v1/payments/checkout' \
  -H 'Authorization: Bearer YOUR_TOKEN' \
  -H 'Idempotency-Key: string' \
  -H 'Accept: application/json' \
  -H 'Content-Type: application/json' \
  -d '{
  "agentId": "string",
  "credits": 100
}'

const response = await fetch("https://api.agentsub.dev/v1/payments/checkout", {
  method: "POST",
  headers: {
    "Authorization": "Bearer YOUR_TOKEN",
    "Idempotency-Key": "string",
    "Accept": "application/json",
    "Content-Type": "application/json"
  },
  body: "{\n  \"agentId\": \"string\",\n  \"credits\": 100\n}"
});

import requests

response = requests.post(
    "https://api.agentsub.dev/v1/payments/checkout",
    headers={
        "Authorization": "Bearer YOUR_TOKEN",
        "Idempotency-Key": "string",
        "Accept": "application/json",
        "Content-Type": "application/json"
    },
    data="{\n  \"agentId\": \"string\",\n  \"credits\": 100\n}",
)

Response

{}

{
  "code": "owner_required",
  "status": 0
}

{
  "code": "owner_required",
  "status": 0
}

{
  "code": "owner_required",
  "status": 0
}