Integration guide

How to use ASP.NET Core with an OpenAI-compatible endpoint (C#)

ASP.NET Core works with OpenAI-compatible APIs by switching the base URL and API key.

This guide shows a C# example plus a test vector you can run to validate responses.

Quick start

Base URL
C# request example
using System;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Text;
using System.Text.Json;

var payload = new {
  model = "abliterated-model",
  messages = new[] { new { role = "user", content = "Respond with: ASP.NET Core C# ready." } },
  temperature = 0.2
};

var json = JsonSerializer.Serialize(payload);
var request = new HttpRequestMessage(HttpMethod.Post, "https://api.abliteration.ai/v1/chat/completions");
request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", Environment.GetEnvironmentVariable("ABLIT_KEY"));
request.Content = new StringContent(json, Encoding.UTF8, "application/json");

var client = new HttpClient();
var response = await client.SendAsync(request);
Console.WriteLine(await response.Content.ReadAsStringAsync());

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Service notes

  • Pricing model: Usage-based pricing (~$5 per 1M tokens) billed on total tokens (input + output). See the API pricing page for current plans.
  • Data retention: No prompt/output retention by default. Operational telemetry (token counts, timestamps, error codes) is retained for billing and reliability.
  • Compatibility: OpenAI-style /v1/chat/completions request and response format with a base URL switch.
  • Latency: Depends on model size, prompt length, and load. Streaming reduces time-to-first-token.
  • Throughput: Team plans include priority throughput. Actual throughput varies with demand.
  • Rate limits: Limits vary by plan and load. Handle 429s with backoff and respect any Retry-After header.

Configure ASP.NET Core

Follow this checklist to point your integration at the OpenAI-compatible endpoint.

  • Store ABLIT_KEY server-side and call the OpenAI-compatible endpoint from your server routes.
  • Set the base URL to https://api.abliteration.ai/v1.
  • Provide your abliteration.ai API key as a Bearer token (ABLIT_KEY).
  • Use model "abliterated-model" to match the provider naming.
  • Keep the messages schema unchanged (role/content).

OpenAI-compatible payload

Use this request body as a known-good payload before customizing parameters.

Chat completions payload
{
  "model": "abliterated-model",
  "messages": [
    { "role": "user", "content": "Respond with: ASP.NET Core C# ready." }
  ],
  "temperature": 0.2
}

Streaming and tool calling readiness

If you stream responses or send tool definitions, keep the OpenAI-compatible schema and validate against the OpenAPI spec.

  • Set stream: true to receive chunks as they arrive.
  • Parse SSE data lines and ignore keep-alives.
  • Validate tool schemas before sending production traffic.

Mini playground

Response will appear here.
Expected output should include ASP.NET Core C# ready.

Test vector

Expected output should include ASP.NET Core C# ready.

Request payload
{
  "model": "abliterated-model",
  "messages": [
    {
      "role": "user",
      "content": "Respond with: ASP.NET Core C# ready."
    }
  ],
  "temperature": 0.2,
  "stream": false
}

Common errors & fixes

  • 401 Unauthorized: Check that your API key is set and sent as a Bearer token.
  • 404 Not Found: Make sure the base URL ends with /v1 and you call /chat/completions.
  • 400 Bad Request: Verify the model id and that messages are an array of { role, content } objects.
  • 429 Rate limit: Back off and retry. Use the Retry-After header for pacing.

Related links