Upload agent avatar from base64 image data - EchoZero

Upload agent avatar from base64 image data

curl --request POST \
  --url https://mcp.echozero.app/api/v1/agents/{id}/avatar \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "imageData": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAB..."
}
'

import requests

url = "https://mcp.echozero.app/api/v1/agents/{id}/avatar"

payload = { "imageData": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAB..." }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({imageData: 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAB...'})
};

fetch('https://mcp.echozero.app/api/v1/agents/{id}/avatar', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({imageData: 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAB...'})
};

fetch('https://mcp.echozero.app/api/v1/agents/{id}/avatar', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://mcp.echozero.app/api/v1/agents/{id}/avatar"

	payload := strings.NewReader("{\n  \"imageData\": \"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAB...\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

{
  "success": true,
  "data": {
    "agentId": "<string>",
    "avatarUrl": "<string>",
    "imageUrl": "<string>"
  }
}

{
  "success": false,
  "error": {
    "code": "NOT_FOUND",
    "message": "Resource not found"
  }
}

{
  "success": false,
  "error": {
    "code": "NOT_FOUND",
    "message": "Resource not found"
  }
}

{
  "success": false,
  "error": {
    "code": "NOT_FOUND",
    "message": "Resource not found"
  }
}

POST

/

api

/

v1

/

agents

/

{id}

/

avatar

Upload agent avatar from base64 image data

curl --request POST \
  --url https://mcp.echozero.app/api/v1/agents/{id}/avatar \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "imageData": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAB..."
}
'

import requests

url = "https://mcp.echozero.app/api/v1/agents/{id}/avatar"

payload = { "imageData": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAB..." }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({imageData: 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAB...'})
};

fetch('https://mcp.echozero.app/api/v1/agents/{id}/avatar', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({imageData: 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAB...'})
};

fetch('https://mcp.echozero.app/api/v1/agents/{id}/avatar', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://mcp.echozero.app/api/v1/agents/{id}/avatar"

	payload := strings.NewReader("{\n  \"imageData\": \"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAB...\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

{
  "success": true,
  "data": {
    "agentId": "<string>",
    "avatarUrl": "<string>",
    "imageUrl": "<string>"
  }
}

{
  "success": false,
  "error": {
    "code": "NOT_FOUND",
    "message": "Resource not found"
  }
}

{
  "success": false,
  "error": {
    "code": "NOT_FOUND",
    "message": "Resource not found"
  }
}

{
  "success": false,
  "error": {
    "code": "NOT_FOUND",
    "message": "Resource not found"
  }
}

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). Required for API-key authenticated requests (JWT/OAuth session auth is exempt).

x-timestamp

string

Request timestamp in epoch milliseconds. Required with x-signature for API-key auth. Rejected if drift exceeds 5 minutes.

Path Parameters

id

string

required

Body

application/json

imageData

string

required

Base64 image bytes. Data URLs such as data:image/png;base64,... are also accepted.

Example:

"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAB..."

mimeType

string

Required when imageData is raw base64. Ignored when imageData is a data URL.

Example:

"image/png"

Response

Uploaded agent avatar URL.

success

boolean

required

Example:

true

data

object

required

Endpoint-specific payload

Show child attributes