POST/api/v1/traces

Ingest OTLP spans or legacy traces

Ingest OpenTelemetry spans in OTLP JSON format (resourceSpans). Also supports legacy agent trace format with steps.

Authentication

Send Authorization: Bearer YOUR_API_KEY on every request. Generate API keys at /dashboard/api-keys.

Request body required

Example

{}
Schema
{
  "application/json": {
    "schema": {
      "type": "object",
      "description": "Either OTLP format (resourceSpans) or legacy format (projectId + sessionId + steps)"
    }
  }
}

Response

All status codes

201Spans accepted

Code samples

cURL

curl -X POST \
  https://evalguard.ai/api/v1/traces \
  -H "Authorization: Bearer $EVALGUARD_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{}'

TypeScript

import { EvalGuard } from "@evalguard/sdk";

const client = new EvalGuard({ apiKey: process.env.EVALGUARD_API_KEY });

const response = await client.request({
  method: "POST",
  path: "/api/v1/traces",
  body: {},
});
console.log(response);

Python

from evalguard import EvalGuard
import os

client = EvalGuard(api_key=os.environ["EVALGUARD_API_KEY"])

response = client.request(
    method="POST",
    path="/api/v1/traces",
    body={},
)
print(response)

Go

package main

import (
	"context"
	"fmt"
	"os"

	"github.com/evalguard/evalguard-go"
)

func main() {
	client := evalguard.NewClient(os.Getenv("EVALGUARD_API_KEY"))
	resp, err := client.Request(context.Background(), "POST", "/api/v1/traces", map[string]any{})
	if err != nil { panic(err) }
	fmt.Println(resp)
}

Other Traces endpoints