Validate Agent Card
curl --request POST \
--url https://api.example.com/assets/agents:validate \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"name": "<string>",
"version": "<string>",
"description": "<string>",
"url": "<string>",
"protocolVersion": "<string>",
"supportedInterfaces": [
{
"url": "<string>",
"protocolVersion": "<string>",
"protocolBinding": "<string>",
"transportType": "<string>"
}
],
"provider": {},
"capabilities": {},
"skills": [
{}
],
"defaultInputModes": [
"<string>"
],
"defaultOutputModes": [
"<string>"
],
"securitySchemes": {},
"security": [
{}
],
"extensions": [
{}
],
"signatures": [
{}
]
}
'import requests
url = "https://api.example.com/assets/agents:validate"
payload = {
"name": "<string>",
"version": "<string>",
"description": "<string>",
"url": "<string>",
"protocolVersion": "<string>",
"supportedInterfaces": [
{
"url": "<string>",
"protocolVersion": "<string>",
"protocolBinding": "<string>",
"transportType": "<string>"
}
],
"provider": {},
"capabilities": {},
"skills": [{}],
"defaultInputModes": ["<string>"],
"defaultOutputModes": ["<string>"],
"securitySchemes": {},
"security": [{}],
"extensions": [{}],
"signatures": [{}]
}
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({
name: '<string>',
version: '<string>',
description: '<string>',
url: '<string>',
protocolVersion: '<string>',
supportedInterfaces: [
{
url: '<string>',
protocolVersion: '<string>',
protocolBinding: '<string>',
transportType: '<string>'
}
],
provider: {},
capabilities: {},
skills: [{}],
defaultInputModes: ['<string>'],
defaultOutputModes: ['<string>'],
securitySchemes: {},
security: [{}],
extensions: [{}],
signatures: [{}]
})
};
fetch('https://api.example.com/assets/agents:validate', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.example.com/assets/agents:validate",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'name' => '<string>',
'version' => '<string>',
'description' => '<string>',
'url' => '<string>',
'protocolVersion' => '<string>',
'supportedInterfaces' => [
[
'url' => '<string>',
'protocolVersion' => '<string>',
'protocolBinding' => '<string>',
'transportType' => '<string>'
]
],
'provider' => [
],
'capabilities' => [
],
'skills' => [
[
]
],
'defaultInputModes' => [
'<string>'
],
'defaultOutputModes' => [
'<string>'
],
'securitySchemes' => [
],
'security' => [
[
]
],
'extensions' => [
[
]
],
'signatures' => [
[
]
]
]),
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>",
"Content-Type: application/json"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://api.example.com/assets/agents:validate"
payload := strings.NewReader("{\n \"name\": \"<string>\",\n \"version\": \"<string>\",\n \"description\": \"<string>\",\n \"url\": \"<string>\",\n \"protocolVersion\": \"<string>\",\n \"supportedInterfaces\": [\n {\n \"url\": \"<string>\",\n \"protocolVersion\": \"<string>\",\n \"protocolBinding\": \"<string>\",\n \"transportType\": \"<string>\"\n }\n ],\n \"provider\": {},\n \"capabilities\": {},\n \"skills\": [\n {}\n ],\n \"defaultInputModes\": [\n \"<string>\"\n ],\n \"defaultOutputModes\": [\n \"<string>\"\n ],\n \"securitySchemes\": {},\n \"security\": [\n {}\n ],\n \"extensions\": [\n {}\n ],\n \"signatures\": [\n {}\n ]\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))
}HttpResponse<String> response = Unirest.post("https://api.example.com/assets/agents:validate")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"name\": \"<string>\",\n \"version\": \"<string>\",\n \"description\": \"<string>\",\n \"url\": \"<string>\",\n \"protocolVersion\": \"<string>\",\n \"supportedInterfaces\": [\n {\n \"url\": \"<string>\",\n \"protocolVersion\": \"<string>\",\n \"protocolBinding\": \"<string>\",\n \"transportType\": \"<string>\"\n }\n ],\n \"provider\": {},\n \"capabilities\": {},\n \"skills\": [\n {}\n ],\n \"defaultInputModes\": [\n \"<string>\"\n ],\n \"defaultOutputModes\": [\n \"<string>\"\n ],\n \"securitySchemes\": {},\n \"security\": [\n {}\n ],\n \"extensions\": [\n {}\n ],\n \"signatures\": [\n {}\n ]\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.example.com/assets/agents:validate")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"name\": \"<string>\",\n \"version\": \"<string>\",\n \"description\": \"<string>\",\n \"url\": \"<string>\",\n \"protocolVersion\": \"<string>\",\n \"supportedInterfaces\": [\n {\n \"url\": \"<string>\",\n \"protocolVersion\": \"<string>\",\n \"protocolBinding\": \"<string>\",\n \"transportType\": \"<string>\"\n }\n ],\n \"provider\": {},\n \"capabilities\": {},\n \"skills\": [\n {}\n ],\n \"defaultInputModes\": [\n \"<string>\"\n ],\n \"defaultOutputModes\": [\n \"<string>\"\n ],\n \"securitySchemes\": {},\n \"security\": [\n {}\n ],\n \"extensions\": [\n {}\n ],\n \"signatures\": [\n {}\n ]\n}"
response = http.request(request)
puts response.read_body{
"valid": true,
"errors": [],
"warnings": []
}{
"error": {
"message": "<string>",
"request_id": "<string>",
"timestamp": "2023-11-07T05:31:56Z",
"details": {}
}
}{
"detail": [
{
"loc": [
"<string>"
],
"msg": "<string>",
"type": "<string>",
"input": "<unknown>",
"ctx": {}
}
]
}{
"error": {
"message": "<string>",
"request_id": "<string>",
"timestamp": "2023-11-07T05:31:56Z",
"details": {}
}
}agents
Validate Agent Card
Dry-run validation of an agent card (no persistence).
POST
/
assets
/
agents:validate
Validate Agent Card
curl --request POST \
--url https://api.example.com/assets/agents:validate \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"name": "<string>",
"version": "<string>",
"description": "<string>",
"url": "<string>",
"protocolVersion": "<string>",
"supportedInterfaces": [
{
"url": "<string>",
"protocolVersion": "<string>",
"protocolBinding": "<string>",
"transportType": "<string>"
}
],
"provider": {},
"capabilities": {},
"skills": [
{}
],
"defaultInputModes": [
"<string>"
],
"defaultOutputModes": [
"<string>"
],
"securitySchemes": {},
"security": [
{}
],
"extensions": [
{}
],
"signatures": [
{}
]
}
'import requests
url = "https://api.example.com/assets/agents:validate"
payload = {
"name": "<string>",
"version": "<string>",
"description": "<string>",
"url": "<string>",
"protocolVersion": "<string>",
"supportedInterfaces": [
{
"url": "<string>",
"protocolVersion": "<string>",
"protocolBinding": "<string>",
"transportType": "<string>"
}
],
"provider": {},
"capabilities": {},
"skills": [{}],
"defaultInputModes": ["<string>"],
"defaultOutputModes": ["<string>"],
"securitySchemes": {},
"security": [{}],
"extensions": [{}],
"signatures": [{}]
}
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({
name: '<string>',
version: '<string>',
description: '<string>',
url: '<string>',
protocolVersion: '<string>',
supportedInterfaces: [
{
url: '<string>',
protocolVersion: '<string>',
protocolBinding: '<string>',
transportType: '<string>'
}
],
provider: {},
capabilities: {},
skills: [{}],
defaultInputModes: ['<string>'],
defaultOutputModes: ['<string>'],
securitySchemes: {},
security: [{}],
extensions: [{}],
signatures: [{}]
})
};
fetch('https://api.example.com/assets/agents:validate', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.example.com/assets/agents:validate",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'name' => '<string>',
'version' => '<string>',
'description' => '<string>',
'url' => '<string>',
'protocolVersion' => '<string>',
'supportedInterfaces' => [
[
'url' => '<string>',
'protocolVersion' => '<string>',
'protocolBinding' => '<string>',
'transportType' => '<string>'
]
],
'provider' => [
],
'capabilities' => [
],
'skills' => [
[
]
],
'defaultInputModes' => [
'<string>'
],
'defaultOutputModes' => [
'<string>'
],
'securitySchemes' => [
],
'security' => [
[
]
],
'extensions' => [
[
]
],
'signatures' => [
[
]
]
]),
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>",
"Content-Type: application/json"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://api.example.com/assets/agents:validate"
payload := strings.NewReader("{\n \"name\": \"<string>\",\n \"version\": \"<string>\",\n \"description\": \"<string>\",\n \"url\": \"<string>\",\n \"protocolVersion\": \"<string>\",\n \"supportedInterfaces\": [\n {\n \"url\": \"<string>\",\n \"protocolVersion\": \"<string>\",\n \"protocolBinding\": \"<string>\",\n \"transportType\": \"<string>\"\n }\n ],\n \"provider\": {},\n \"capabilities\": {},\n \"skills\": [\n {}\n ],\n \"defaultInputModes\": [\n \"<string>\"\n ],\n \"defaultOutputModes\": [\n \"<string>\"\n ],\n \"securitySchemes\": {},\n \"security\": [\n {}\n ],\n \"extensions\": [\n {}\n ],\n \"signatures\": [\n {}\n ]\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))
}HttpResponse<String> response = Unirest.post("https://api.example.com/assets/agents:validate")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"name\": \"<string>\",\n \"version\": \"<string>\",\n \"description\": \"<string>\",\n \"url\": \"<string>\",\n \"protocolVersion\": \"<string>\",\n \"supportedInterfaces\": [\n {\n \"url\": \"<string>\",\n \"protocolVersion\": \"<string>\",\n \"protocolBinding\": \"<string>\",\n \"transportType\": \"<string>\"\n }\n ],\n \"provider\": {},\n \"capabilities\": {},\n \"skills\": [\n {}\n ],\n \"defaultInputModes\": [\n \"<string>\"\n ],\n \"defaultOutputModes\": [\n \"<string>\"\n ],\n \"securitySchemes\": {},\n \"security\": [\n {}\n ],\n \"extensions\": [\n {}\n ],\n \"signatures\": [\n {}\n ]\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.example.com/assets/agents:validate")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"name\": \"<string>\",\n \"version\": \"<string>\",\n \"description\": \"<string>\",\n \"url\": \"<string>\",\n \"protocolVersion\": \"<string>\",\n \"supportedInterfaces\": [\n {\n \"url\": \"<string>\",\n \"protocolVersion\": \"<string>\",\n \"protocolBinding\": \"<string>\",\n \"transportType\": \"<string>\"\n }\n ],\n \"provider\": {},\n \"capabilities\": {},\n \"skills\": [\n {}\n ],\n \"defaultInputModes\": [\n \"<string>\"\n ],\n \"defaultOutputModes\": [\n \"<string>\"\n ],\n \"securitySchemes\": {},\n \"security\": [\n {}\n ],\n \"extensions\": [\n {}\n ],\n \"signatures\": [\n {}\n ]\n}"
response = http.request(request)
puts response.read_body{
"valid": true,
"errors": [],
"warnings": []
}{
"error": {
"message": "<string>",
"request_id": "<string>",
"timestamp": "2023-11-07T05:31:56Z",
"details": {}
}
}{
"detail": [
{
"loc": [
"<string>"
],
"msg": "<string>",
"type": "<string>",
"input": "<unknown>",
"ctx": {}
}
]
}{
"error": {
"message": "<string>",
"request_id": "<string>",
"timestamp": "2023-11-07T05:31:56Z",
"details": {}
}
}Authorizations
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
Headers
Body
application/json
A2A Agent Card JSON — supports both v0.3 and v1.0 formats.
v0.3 cards have a required top-level url and optional supportedInterfaces.
v1.0 cards have required supportedInterfaces and no top-level url.
The validator ensures at least one transport declaration is present.
Required string length:
1 - 255Maximum string length:
2000Show child attributes
Show child attributes
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