Messages (Anthropic-compatible)
curl --request POST \
--url https://api.swarms.world/v1/messages \
--header 'Content-Type: application/json' \
--header 'x-api-key: <x-api-key>' \
--data '
{
"model": "<string>",
"max_tokens": 2,
"messages": [
{
"content": "<string>"
}
],
"system": "<string>",
"temperature": 0.5,
"top_p": 0.5
}
'import requests
url = "https://api.swarms.world/v1/messages"
payload = {
"model": "<string>",
"max_tokens": 2,
"messages": [{ "content": "<string>" }],
"system": "<string>",
"temperature": 0.5,
"top_p": 0.5
}
headers = {
"x-api-key": "<x-api-key>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'x-api-key': '<x-api-key>', 'Content-Type': 'application/json'},
body: JSON.stringify({
model: '<string>',
max_tokens: 2,
messages: [{content: '<string>'}],
system: '<string>',
temperature: 0.5,
top_p: 0.5
})
};
fetch('https://api.swarms.world/v1/messages', 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.swarms.world/v1/messages",
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([
'model' => '<string>',
'max_tokens' => 2,
'messages' => [
[
'content' => '<string>'
]
],
'system' => '<string>',
'temperature' => 0.5,
'top_p' => 0.5
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json",
"x-api-key: <x-api-key>"
],
]);
$response = curl_exec($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.swarms.world/v1/messages"
payload := strings.NewReader("{\n \"model\": \"<string>\",\n \"max_tokens\": 2,\n \"messages\": [\n {\n \"content\": \"<string>\"\n }\n ],\n \"system\": \"<string>\",\n \"temperature\": 0.5,\n \"top_p\": 0.5\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("x-api-key", "<x-api-key>")
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.swarms.world/v1/messages")
.header("x-api-key", "<x-api-key>")
.header("Content-Type", "application/json")
.body("{\n \"model\": \"<string>\",\n \"max_tokens\": 2,\n \"messages\": [\n {\n \"content\": \"<string>\"\n }\n ],\n \"system\": \"<string>\",\n \"temperature\": 0.5,\n \"top_p\": 0.5\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.swarms.world/v1/messages")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["x-api-key"] = '<x-api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"model\": \"<string>\",\n \"max_tokens\": 2,\n \"messages\": [\n {\n \"content\": \"<string>\"\n }\n ],\n \"system\": \"<string>\",\n \"temperature\": 0.5,\n \"top_p\": 0.5\n}"
response = http.request(request)
puts response.read_body{
"detail": [
{
"loc": [
"<string>"
],
"msg": "<string>",
"type": "<string>",
"input": "<unknown>",
"ctx": {}
}
]
}Anthropic Compatible
Messages (Anthropic-compatible)
Anthropic Messages API format, non-streaming text only. Code written for the Anthropic SDK runs with base_url and api_key changed. Streaming, images, documents, tools, thinking, assistant prefill and any other field not listed here are rejected with a 400.
POST
/
v1
/
messages
Messages (Anthropic-compatible)
curl --request POST \
--url https://api.swarms.world/v1/messages \
--header 'Content-Type: application/json' \
--header 'x-api-key: <x-api-key>' \
--data '
{
"model": "<string>",
"max_tokens": 2,
"messages": [
{
"content": "<string>"
}
],
"system": "<string>",
"temperature": 0.5,
"top_p": 0.5
}
'import requests
url = "https://api.swarms.world/v1/messages"
payload = {
"model": "<string>",
"max_tokens": 2,
"messages": [{ "content": "<string>" }],
"system": "<string>",
"temperature": 0.5,
"top_p": 0.5
}
headers = {
"x-api-key": "<x-api-key>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'x-api-key': '<x-api-key>', 'Content-Type': 'application/json'},
body: JSON.stringify({
model: '<string>',
max_tokens: 2,
messages: [{content: '<string>'}],
system: '<string>',
temperature: 0.5,
top_p: 0.5
})
};
fetch('https://api.swarms.world/v1/messages', 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.swarms.world/v1/messages",
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([
'model' => '<string>',
'max_tokens' => 2,
'messages' => [
[
'content' => '<string>'
]
],
'system' => '<string>',
'temperature' => 0.5,
'top_p' => 0.5
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json",
"x-api-key: <x-api-key>"
],
]);
$response = curl_exec($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.swarms.world/v1/messages"
payload := strings.NewReader("{\n \"model\": \"<string>\",\n \"max_tokens\": 2,\n \"messages\": [\n {\n \"content\": \"<string>\"\n }\n ],\n \"system\": \"<string>\",\n \"temperature\": 0.5,\n \"top_p\": 0.5\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("x-api-key", "<x-api-key>")
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.swarms.world/v1/messages")
.header("x-api-key", "<x-api-key>")
.header("Content-Type", "application/json")
.body("{\n \"model\": \"<string>\",\n \"max_tokens\": 2,\n \"messages\": [\n {\n \"content\": \"<string>\"\n }\n ],\n \"system\": \"<string>\",\n \"temperature\": 0.5,\n \"top_p\": 0.5\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.swarms.world/v1/messages")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["x-api-key"] = '<x-api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"model\": \"<string>\",\n \"max_tokens\": 2,\n \"messages\": [\n {\n \"content\": \"<string>\"\n }\n ],\n \"system\": \"<string>\",\n \"temperature\": 0.5,\n \"top_p\": 0.5\n}"
response = http.request(request)
puts response.read_body{
"detail": [
{
"loc": [
"<string>"
],
"msg": "<string>",
"type": "<string>",
"input": "<unknown>",
"ctx": {}
}
]
}Headers
Body
application/json
Model to use
Maximum tokens to generate
Required range:
x >= 1Alternating user and assistant turns
Show child attributes
Show child attributes
System prompt: a string or text blocks
Sampling temperature
Required range:
0 <= x <= 1Nucleus sampling cutoff
Required range:
0 <= x <= 1Response
Successful Response
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