yangmao.ai · cURL setup money page

xAI Grok API cURL API Setup

Use cURL to smoke-test xAI Grok API before wiring SDK code. Confirm the exact endpoint, model name, and quota in the provider dashboard.

Quick verdict

  • Free API: Not confirmed in the current snapshot
  • Rate limits: 按账号、模型和计费层级变化
  • Best model starting point: grok-4
  • Mainland China access: proxy/relay likely needed

Provider fit matrix

Best fit Fast provider evaluation, prototypes, and fallback routing
Watch out Free credits and rate limits can change without warning
Production fallback Keep at least one compatible backup provider before shipping

Production readiness checklist

Quota gate No confirmed free API quota is recorded; verify xAI Grok API docs before collecting keys.
No-card check Assume billing may be required unless the official dashboard says otherwise.
Regional smoke test Run signup, dashboard, DNS, TLS, and first API call checks from mainland China before launch.
Source freshness Snapshot date: 2026-06-16; official quota and pricing can change without notice.

cURL smoke test

Use this to verify endpoint, auth header, model name, response shape, and quota before adding SDK abstractions.

curl https://api.x.ai/v1/chat/completions \
  -H "Authorization: Bearer $XAI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "grok-4",
    "messages": [{"role": "user", "content": "Hello from yangmao.ai"}]
  }'

Free API and pricing notes

未确认当前长期免费额度;以 xAI Console 为准

Search demand for Grok free credits is high, but many $150 credit or promo-code posts are stale. For production, trust only docs.x.ai and the xAI Console billing page.

Access and production risk

Relay or proxy may be needed

Mainland China access, signup, and billing reliability should be validated case by case; prepare Qwen, DeepSeek, GLM, or a compliant API-gateway fallback for China-facing products.

How to set it up

1

Create an API key and copy the provider endpoint from official docs.

2

Export the key into your shell session.

3

Send a minimal chat completion payload with cURL.

4

Check status code, JSON body, and rate-limit headers.

5

Move the tested endpoint into your app or fallback relay.

xAI Grok API production validation table

Use this table before sending real users, scheduled agents, or paid traffic to xAI Grok API. The goal is to validate source freshness, quota behavior, regional access, and fallback needs instead of trusting a stale free-credit claim.

Check Pass condition If it fails
Signup and billing state Dashboard confirms whether API keys require billing or manual approval. Compare xAI Grok API alternatives or route through a gateway before inviting users.
First request from target region Proxy, relay, or non-mainland deployment path is documented before launch. Do not ship cron jobs or public demos until latency, DNS, TLS, and auth are repeatable.
Quota, retry, and error shape Rate-limit behavior matches the current 按账号、模型和计费层级变化 note or official dashboard values. Cap retries, add request logging, and keep a second route for 429/5xx bursts.
Cost per accepted task Real prompts stay within your target token, query, image-credit, or compute budget. Use cheaper primary routes, caching, shorter prompts, or fallback only after validation failure.

Credit-change alerts

Want to know when free credits, pricing, or availability changes? Subscribe first, then compare official providers, API gateways, and alternatives.

Subscribe → Get an OpenLLMAPI key → Compare API gateways →

Related internal links

Source snapshot

Data source: yangmao.ai provider YAML tracker plus provider docs reviewed by the daily crawler. Official dashboards can change quota and pricing without notice; verify before production.

yangmao.ai provider id
xai
Official source
https://docs.x.ai/docs/overview
Last updated
2026-06-16
Free tier
Check the current xAI Console billing page; historical $150 credit claims should not be treated as current.
API credits
未确认当前长期免费额度;以 xAI Console 为准
Rate limit
按账号、模型和计费层级变化
Access note
Mainland China access, signup, and billing reliability should be validated case by case; prepare Qwen, DeepSeek, GLM, or a compliant API-gateway fallback for China-facing products.

FAQ

Does xAI Grok API have a free API?

No confirmed free API is recorded in the current yangmao.ai snapshot; use the official docs as source of truth before signing up.

Is xAI Grok API OpenAI-compatible?

The recorded setup uses an OpenAI-compatible pattern or SDK-style call. Validate the latest base URL and model names in xAI Grok API docs.

Can I use xAI Grok API from mainland China?

xAI Grok API may need a proxy or relay from mainland China. Test latency and signup before production.

What should I do when xAI Grok API credits run out?

Compare the alternatives below, check /en/free-ai-api/, and shortlist official providers or API gateway options before production.

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