xAI Grok via VerticalAPI

Call Grok-3 and Grok-2 Vision via VerticalAPI's OpenAI-compatible endpoint. BYOK with your xAI key, zero markup, real-time X-data-aware reasoning.

Start free with your xAI Grok key → Read the docs

Endpoint: https://api.verticalapi.com/v1/chat/completions · BYOK header: X-Provider-Key: xai-...

Supported models

xAI Grok models routed by VerticalAPI

Pass the model ID below as model in any OpenAI-compatible request. New xAI Grok models are typically supported within 24h of release.

Model ID	Name	Context	Pricing (provider)
`grok-3`	Grok-3	128K	$3 / $15 per 1M tok
`grok-3-mini`	Grok-3 mini	128K	$0.30 / $0.50 per 1M tok
`grok-2-vision`	Grok-2 Vision	32K	$2 / $10 per 1M tok

Pricing reflects xAI Grok's rates — you pay xAI Grok directly. VerticalAPI adds zero markup on tokens.

Quickstart

5-line xAI Grok call via VerticalAPI

Drop-in replacement for the OpenAI SDK. Works with the OpenAI Python client, Node, Go, curl — anything that speaks HTTP.

                xai_quickstart.py
                Python
            
from openai import OpenAI

client = OpenAI(
    base_url="https://api.verticalapi.com/v1",
    api_key="vapi_...",
    default_headers={"X-Provider-Key": "xai-..."}
)

response = client.chat.completions.create(
    model="grok-3-mini",  # xAI Grok
    messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)

Why use xAI Grok via VerticalAPI

Four reasons developers route xAI Grok through us

Zero token markup

You pay xAI Grok directly with your own key. VerticalAPI's revenue is the gateway subscription, not a tax on your tokens.

One key, every provider

xAI Grok alongside OpenAI, Anthropic, Gemini and 12 more — same OpenAI-compatible endpoint, same SDK, switchable per-request.

Latency & cost monitoring

Per-request token counts, p50/p95 latency and cost dashboards out of the box. Compare xAI Grok to other providers on identical prompts.

Observability built in

Every xAI Grok call gets a trace ID, replayable payload and audit log entry. Wire to Datadog or Sentry via OpenTelemetry.

Best for

Where xAI Grok shines

X / real-time data context reasoning (Grok-3) vision (Grok-2) uncensored research

FAQ

Common questions about xAI Grok on VerticalAPI

Does VerticalAPI surface Grok's X-data feature?

Grok's real-time X data access is enabled via xAI's native parameters; VerticalAPI passes them through unchanged.

Is the xAI API OpenAI-compatible already?

xAI's API is broadly OpenAI-compatible at the wire format. VerticalAPI normalizes edge cases (tool_choice, response_format) so your code is portable across all providers.

Switch providers

All supported LLM providers

Same endpoint, same SDK — just change the model and the BYOK header.

OpenAI Anthropic Google Gemini Mistral AI Meta Llama xAI Grok Groq Together AI Fireworks AI Perplexity Sonar Cohere AI21 Labs AWS Bedrock Azure OpenAI Google Vertex AI

Ship on xAI Grok in 60 seconds

Free tier — bring your own xAI Grok key, zero markup, OpenAI-compatible endpoint.

Get your VerticalAPI key →