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POST
/
api
/
v1
/
developer-agents
/
{id}
/
subscribe
Subscribe to a developer agent
curl --request POST \
  --url https://mcp.echozero.app/api/v1/developer-agents/{id}/subscribe \
  --header 'Authorization: Bearer <token>'
{
  "success": true,
  "data": {
    "subscribed": true,
    "alreadySubscribed": true,
    "developerAgentId": "<string>",
    "monthlyPrice": 123,
    "successFeePercent": 123
  }
}

Authorizations

​
Authorization
string
header
required

User JWT access token issued by POST /api/auth/verify or POST /api/auth/social/verify. Routes that accept both auth modes declare api-key and bearer-jwt security schemes.

Headers

​
x-signature
string

HMAC-SHA256 signature: HMAC-SHA256(secretKey, timestamp + METHOD + path + body). Optional -- when omitted, HMAC verification is skipped.

​
x-timestamp
string

Request timestamp in epoch milliseconds. Required when x-signature is provided. Rejected if drift exceeds 5 minutes.

Path Parameters

​
id
string
required

Response

Subscription created or already active.

​
success
boolean
required
Example:

true

​
data
object
required

Endpoint-specific payload