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POST
/
v2
/
{entity}
/
{project}
/
predictions
Prediction Create
curl --request POST \
  --url https://api.example.com/v2/{entity}/{project}/predictions \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "<string>",
  "inputs": {},
  "output": "<unknown>",
  "evaluation_run_id": "<string>",
  "genai_span_ref": [
    {
      "trace_id": "<string>",
      "span_id": "<string>"
    }
  ]
}
'
import requests

url = "https://api.example.com/v2/{entity}/{project}/predictions"

payload = {
"model": "<string>",
"inputs": {},
"output": "<unknown>",
"evaluation_run_id": "<string>",
"genai_span_ref": [
{
"trace_id": "<string>",
"span_id": "<string>"
}
]
}
headers = {
"Authorization": "Basic <encoded-value>",
"Content-Type": "application/json"
}

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

print(response.text)
const options = {
method: 'POST',
headers: {Authorization: 'Basic <encoded-value>', 'Content-Type': 'application/json'},
body: JSON.stringify({
model: '<string>',
inputs: {},
output: '<unknown>',
evaluation_run_id: '<string>',
genai_span_ref: [{trace_id: '<string>', span_id: '<string>'}]
})
};

fetch('https://api.example.com/v2/{entity}/{project}/predictions', 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/v2/{entity}/{project}/predictions",
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>',
'inputs' => [

],
'output' => '<unknown>',
'evaluation_run_id' => '<string>',
'genai_span_ref' => [
[
'trace_id' => '<string>',
'span_id' => '<string>'
]
]
]),
CURLOPT_HTTPHEADER => [
"Authorization: Basic <encoded-value>",
"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/v2/{entity}/{project}/predictions"

payload := strings.NewReader("{\n \"model\": \"<string>\",\n \"inputs\": {},\n \"output\": \"<unknown>\",\n \"evaluation_run_id\": \"<string>\",\n \"genai_span_ref\": [\n {\n \"trace_id\": \"<string>\",\n \"span_id\": \"<string>\"\n }\n ]\n}")

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

req.Header.Add("Authorization", "Basic <encoded-value>")
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/v2/{entity}/{project}/predictions")
.header("Authorization", "Basic <encoded-value>")
.header("Content-Type", "application/json")
.body("{\n \"model\": \"<string>\",\n \"inputs\": {},\n \"output\": \"<unknown>\",\n \"evaluation_run_id\": \"<string>\",\n \"genai_span_ref\": [\n {\n \"trace_id\": \"<string>\",\n \"span_id\": \"<string>\"\n }\n ]\n}")
.asString();
require 'uri'
require 'net/http'

url = URI("https://api.example.com/v2/{entity}/{project}/predictions")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Basic <encoded-value>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"model\": \"<string>\",\n \"inputs\": {},\n \"output\": \"<unknown>\",\n \"evaluation_run_id\": \"<string>\",\n \"genai_span_ref\": [\n {\n \"trace_id\": \"<string>\",\n \"span_id\": \"<string>\"\n }\n ]\n}"

response = http.request(request)
puts response.read_body
{
  "prediction_id": "<string>"
}
{
"detail": [
{
"loc": [
"<string>"
],
"msg": "<string>",
"type": "<string>"
}
]
}

Authorizations

Authorization
string
header
required

Basic authentication header of the form Basic <encoded-value>, where <encoded-value> is the base64-encoded string username:password.

Path Parameters

entity
string
required
project
string
required

Body

application/json

Request body for creating a Prediction via REST API.

This model excludes project_id since it comes from the URL path in RESTful endpoints.

model
string
required

The model reference (weave:// URI)

inputs
Inputs · object
required

The inputs to the prediction

output
any
required

The output of the prediction

evaluation_run_id
string | null

Optional evaluation run ID to link this prediction as a child call

genai_span_ref
GenAISpanRef · object[] | null

Optional GenAI span reference(s) produced by this prediction.

Response

Successful Response

prediction_id
string
required

The prediction ID