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The fastest path to a working key. Open console.bytespike.ai, pick a sign-up method, top up a few dollars, create a key. About 2 minutes total.

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1. Open the sign-up page

Go to console.bytespike.ai/sign-up. You can sign up two ways:
Fill in:
  • Email — receives the verification code and notifications
  • Password — at least 12 characters, including a number + symbol
  • Invite code — ByteSpike is invite-only during the current phase. Ask an existing user for a code (format: BS-XXXX-XXXX).
  • Verification code — sent to your email after you click Send code
  • Captcha — Turnstile widget; just check the box
Submit. You’re signed in and dropped onto the dashboard.
The email address you sign up with is permanent — it’s what your invoices, billing alerts, and password-reset links go to. Pick a real inbox you check, not a noreply / shared alias.

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2. Verify your email (if you used email + password)

If you went the email route, you’ll see a verifying email… banner the first time you land on the dashboard. Email verification is required before you can create API keys; if it doesn’t auto-complete, hit Resend on the banner.

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3. Top up trial credits

New accounts get a small trial allowance. To do real work you need to top up the org wallet:
  1. Sidebar → Billing
  2. Pick a top-up amount (5minimum,5 minimum, 1,250 max per transaction)
  3. Pay via Stripe (cards / Apple Pay / Google Pay)
Larger top-ups carry a bonus (up to +11.2% at the top tier). See bytespike.ai/pricing for the live bonus ladder. → Walkthrough: Top up credits

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4. Create your first API key

Sidebar → API keys → Create key. You’ll be asked for:
  • Name — anything memorable, e.g. dev-laptop
  • Routing group — pick one. claude-default for Claude models, gemini-default for Gemini, or default to route everything. Each key reaches one group; create separate keys for other groups. See Models.
The plaintext secret (sk-byts-…) shows up once after submit. Copy it — store it in your password manager or secrets store. If you lose it, you can either reveal again from the same page or rotate the key to get a fresh secret. → Walkthrough: Configure your client

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5. Verify

export BYTESPIKE_API_KEY=sk-byts-...

curl https://llm.bytespike.ai/v1/messages \
  -H "x-api-key: $BYTESPIKE_API_KEY" \
  -H "anthropic-version: 2023-06-01" \
  -H "content-type: application/json" \
  -d '{
    "model": "claude-haiku-4-5",
    "max_tokens": 64,
    "messages": [{"role": "user", "content": "ping"}]
  }'
Expect a 200 with a JSON body, plus an X-Quota-Remaining-Credits header showing your wallet minus a few credits. If you get 401 invalid x-api-key, double-check the key value. If you get 402 insufficient_balance, top up some credits.

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Common questions

ByteSpike is currently invite-gated. Ask an existing user for one (each account can mint a small number from console.bytespike.ai/affiliate), or email support@bytespike.ai explaining your use case.
No — emails are unique. If you want separate billing for different projects, the right shape is one account with multiple keys (one per project / environment), each with its own quota + rate-limit caps.
No — trial credits are issued automatically. A card (via Stripe) is only needed once you want to top up beyond the trial.
Yes. Account → Settings → Delete account does an immediate soft-delete; the data is purged after a 30-day grace period. Outstanding balance is non-refundable but can be transferred to another ByteSpike account on request via support.

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Next

Top up credits

The $5+ flow + bonus ladder.

Configure your client

Point Claude Code / Codex / Cursor / SDKs at ByteSpike.

Quickstart

Your first curl, three protocols side-by-side.

Authentication

Per-key controls, IP allowlist, rate limits.