http.request.do() get error from openRouter !

[luyuan1975]

import net.http

fn main() {
url := 'https://openrouter.ai/api/v1/chat/completions'

model := 'deepseek/deepseek-r1-0528:free'
question := 'What is the meaning of life?'

// data := '{ "model": "${model}", "prompt": "${question}" } '
// data := '{ "model": "${model}", "messages": { "prompt": "${question}" } }'
data := '{ "model": "${model}", "messages": [ { "role": "user", "content": "${question}" } ], "temperature": 0.7 }'
println(data)
mut req := http.new_request(.post, url, data)
req.user_agent = 'Mozilla/5.0 Firefox'
req.add_header(.content_type, 'application/json')
req.add_header(.authorization, 'Bearer sk-or-v1-xxxxxxxxxxxx')
println(req)
resp := req.do()!
println(resp)
println(['res.body:', resp.body])

}

error message :
failed to fetch data from the server, error: response does not start with HTTP/, line: ``

[gechandesu]

Works for me.

Details

import net.http

fn main() {
    url := 'https://openrouter.ai/api/v1/chat/completions'

    model := 'deepseek/deepseek-r1-0528:free'
    question := 'What is the meaning of life?'

    // data := '{ "model": "${model}", "prompt": "${question}" } '
    // data := '{ "model": "${model}", "messages": { "prompt": "${question}" } }'
    data := '{ "model": "${model}", "messages": [ { "role": "user", "content": "${question}" } ], "temperature": 0.7 }'
    println(data)
    mut req := http.new_request(.post, url, data)
    req.user_agent = 'Mozilla/5.0 Firefox'
    req.add_header(.content_type, 'application/json')
    req.add_header(.authorization, 'Bearer sk-or-v1-xxxxxxxxxxxx')
    println(req)
    resp := req.do()!
    println(resp)
    println(['res.body:', resp.body])
}

Result:

{ "model": "deepseek/deepseek-r1-0528:free", "messages": [ { "role": "user", "content": "What is the meaning of life?" } ], "temperature": 0.7 }
http.Request{
    cookies: {}
    version: HTTP/1.1
    method: POST
    header: Content-Type: application/json
Authorization: Bearer sk-or-v1-xxxxxxxxxxxx

    host: ''
    data: '{ "model": "deepseek/deepseek-r1-0528:free", "messages": [ { "role": "user", "content": "What is the meaning of life?" } ], "temperature": 0.7 }'
    url: 'https://openrouter.ai/api/v1/chat/completions'
    user_agent: 'Mozilla/5.0 Firefox'
    verbose: false
    user_ptr: 0
    proxy: &nil
    read_timeout: 30000000000
    write_timeout: 30000000000
    validate: false
    verify: ''
    cert: ''
    cert_key: ''
    in_memory_verification: false
    allow_redirect: true
    max_retries: 5
    on_redirect: fn (net.http.Request, int, string) !
    on_progress: fn (net.http.Request, []u8, u64) !
    on_progress_body: fn (net.http.Request, []u8, u64, u64, int) !
    on_finish: fn (net.http.Request, u64) !
    stop_copying_limit: -1
    stop_receiving_limit: -1
}
http.Response{
    body: '{"error":{"message":"User not found.","code":401}}'
    header: Date: Sat, 09 Aug 2025 10:47:43 GMT
Content-Type: application/json
Transfer-Encoding: chunked
Connection: close
CF-RAY: 96c6ad508818e310-DME
Access-Control-Allow-Origin: *
Permissions-Policy: payment=(self "https://checkout.stripe.com" "https://connect-js.stripe.com" "https://js.stripe.com" "https://*.js.stripe.com" "https://hooks.stripe.com")
Referrer-Policy: no-referrer, strict-origin-when-cross-origin
X-Content-Type-Options: nosniff
Server: cloudflare

    status_code: 401
    status_msg: 'Unauthorized'
    http_version: '1.1'
}
['res.body:', '{"error":{"message":"User not found.","code":401}}']

v doctor:

|V full version      |V 0.4.11 89d1aac.8a7949d
|:-------------------|:-------------------
|OS                  |linux, Linux version 6.6.8-arch1-1 (linux@archlinux) (gcc (GCC) 13.2.1 20230801, GNU ld (GNU Binutils) 2.41.0) #1 SMP PREEMPT_DYNAMIC Thu, 21 Dec 2023 19:01:01 +0000
|Processor           |16 cpus, 64bit, little endian, 12th Gen Intel(R) Core(TM) i5-1240P
|Memory              |3.93GB/15.35GB
|                    |
|V executable        |/home/ge/.vlang/v
|V last modified time|2025-08-07 17:28:09
|                    |
|V home dir          |OK, value: /home/ge/.vlang
|VMODULES            |OK, value: /home/ge/.vmodules
|VTMP                |OK, value: /tmp/v_1000
|Current working dir |OK, value: /tmp
|                    |
|Git version         |git version 2.50.0
|V git status        |weekly.2025.16-576-g8a7949d9
|.git/config present |true
|                    |
|cc version          |cc (GCC) 15.1.1 20250425
|gcc version         |gcc (GCC) 15.1.1 20250425
|clang version       |clang version 20.1.6
|tcc version         |tcc version 0.9.28rc 2024-07-31 HEAD@1cee0908 (x86_64 Linux)
|tcc git status      |thirdparty-linux-amd64 0134e9b9
|emcc version        |N/A
|glibc version       |ldd (GNU libc) 2.41

This is known issue, see: #23719 #23717 #24226

[luyuan1975]

thanks !
i add one line : req.read_timeout = 3000 , then run code a long time, get a message :
......
V panic: result not set (SSL handshake failed)