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name, description, triggers
name description triggers
cloud-trial-registration Automated registration for cloud free trials (Kamatera, MuleSoft, Oracle, etc.) with disposable email, API-driven signup, CSRF bypass, 2FA handling, and billing profile setup.
VPS 30 days
free trial cloud
зарегистрируй VPS
free tier registration
cloud signup
trial account
Kamatera / MuleSoft / Oracle / GCP / AWS / UpCloud free tier
upcloud deploy250

Cloud Trial Registration

Automated workflow for registering cloud provider free trials via API.

Core workflow

1. Disposable email

Use mail.tm API (no auth needed for signup):

POST https://api.mail.tm/accounts → {"address": "...", "password": "..."}
POST https://api.mail.tm/token → {"token": "..."}

Alternative: GuerrillaMail (api.guerrillamail.com). Prefer mail.tm — more reliable delivery. For IMAP-based pools (e.g. t-online.de), see references/upcloud-api.md.

2. CSRF token extraction

Most cloud consoles use CSRF. Pattern: GET the login/CSRF page, extract from HTML:

csrf = re.search(r'CSRF_TOKEN",\s*"([^"]+)"', html).group(1)

Kamatera: GET /csrf → <script>sessionStorage.setItem("CSRF_TOKEN", "...")</script>

3. API-driven signup

Always prefer API over browser for signup forms:

  • Find the actual AJAX endpoint (check <script> tags, search for fetch/$.ajax/$.post)
  • Use execute_code with requests.Session() for cookie persistence
  • Headers: api-version: latest, token: <csrf>, Content-Type: application/json

4. 2FA / Email verification

  • Delete old emails from disposable inbox before triggering new send
  • Wait for email with tight loop (3s intervals, up to 60s)
  • Extract code/link with regex: \b(\d{6})\b for numeric codes, https?://[^\s"\'<>]+ for links

5. Billing profile (Kamatera)

PUT /svc/billing/profile

Fields (validated in order):

  • firstName, lastName — required
  • country — ISO 2-letter (US, UA, etc.)
  • city, address, state, postalCode, phone
  • invoiceName — required
  • paymentType: 0 — credit card
  • cardNumber, cardExpiry: "MM/YY", cardCvv

Error codes: 21 = card declined by processor, 105 = invalid firstName, 107 = invalid country, 110 = invalid city, 112 = invalid zip code, 109 = invalid phone, 122 = invalid invoiceName

6. Card BIN validation

Use https://lookup.binlist.net/<first6> to check card type, bank, country. Match billing address country to card country.

Pitfalls

  • SEPA/Lastschrift trials (DE AI SaaS: nele.ai, amaiko.ai, omnifact.ai): full recipe in references/sepa-lastschrift-trials.md — synthetic DE IBAN (mod97), DE-proxy sourcing + Playwright auth-proxy split, Vuetify force-click pattern, Brevo/Keycloak activation-link extraction. Kompas = server-side Turnstile (dead), guenther = WhatsApp-only.
  • Geo-IP check APIs fail silently when rate-limited: ipapi.co from an exhausted local IP returns JSON with country_code: null instead of an error — country-filtered proxy finders then report "no proxy" though the pool is fine. Always chain ≥2 geo services (ipinfo.io/json → api.ip.sb/geoip) and treat null-country as "retry other service".
  • Playwright proxy with credentials in the URL fails net::ERR_TUNNEL_CONNECTION_FAILED: split into {server, username, password} dict.
  • Vuetify/custom-component forms: get_by_role("button") clicks hang and hidden checkbox inputs reject page.check(); use text locators with force=True + .last, or evaluate("el => el.click()") + ancestor .v-input fallback. Check for German labels (NÄCHSTER SCHRITT, ZAHLUNGSMETHODE WÄHLEN) even when Accept-Language is English.
  • IMAP Subject is an email.header.Header object: .lower()/in on it crashes or misbehaves — decode via str(email.header.decode_header(...)) before string ops.
  • Braintree $0 auth geo-blocks ALL Ukrainian cards: UpCloud (and any Braintree-based provider with challenges: ['cvv']) performs a $0 authorization hold (zero dollars, nothing charged) to verify the card. ALL Ukrainian BINs fail — both debit (Mastercard 516818, JSC VST Bank) and credit (VISA 444111, JSC Universal Bank/monobank). Tested EUR/DE, USD/US, GBP/GB billing — all 422 VERIFICATION_ERROR. This is a UA BIN geo-block by Braintree/UpCloud, NOT a card-type issue. Need a non-UA card (EU/US/UK/any). See references/upcloud-api.md for full Braintree flow details.
  • hCaptcha token expiration: AntiCaptcha solves UpCloud hCaptcha in 30-150s. If using parallel tasks, the first solved token may expire while waiting for others to finish → expired-input-response or invalid-input-response at login. Solve single-task and immediately use the token — don't wait for parallel batch. For OTP login flow (3 captcha solves needed: session login, OTP send, OTP verify), each must be solved and consumed immediately.
  • GraphQL variable names: Braintree GraphQL tokenize mutation requires variable name $input (not $i). Schema enforces TokenizeCreditCardInput! as NonNull — abbreviated variable names cause "coerced Null value" errors.
  • hCaptcha enterprise invisible: For UpCloud's hCaptcha (sitekeys e0e06474-... signup, 13b63774-... hub), use AntiCaptcha with isInvisible: true, isEnterprise: true. 2captcha frequently returns ERROR_CAPTCHA_UNSOLVABLE on these sitekeys; AntiCaptcha is more reliable.
  • Signup captcha field name: UpCloud signup API uses field "captcha" (not "captcha_token") for /api/v2/init. Hub/gate API uses "captcha_token" for /v2/session. Don't mix them up.
  • Finalize-lite requires full payload: UpCloud /api/v2/finalize-lite needs country, currency, email, first_name, last_name, password, phone, username, promo_code, terms_accepted — not just token+username+password. Missing fields → 422 per-field errors.
  • Email + aliases: Many signup forms use \w+ regex which rejects + in email. Use plain username@domain or disposable email.
  • reCAPTCHA v3: Invisible, score-based. If form returns "Invalid email or password" despite valid credentials, likely reCAPTCHA score too low. Use API instead of browser.
  • 2FA email rate limiting: After 3-4 sendtfa calls, no more emails are delivered. Use the browser's existing session when possible.
  • Card country mismatch: Billing address country must match card BIN country. Look up BIN before submitting.
  • Browser SPA navigation: React hash-routing (#/billing) may not work in automated browsers. Use API calls directly with fetch() from browser console.
  • Stytch DFP (Device Fingerprinting): Auth providers like Stytch (used by Groq, Vercel, etc.) require JavaScript-executed DFP before magic link redemption. The DFP endpoint (/v1/magic_links/redirect/dfp) returns redirect_url: "" when called without browser JS — the flow appears to hang. Curl-based magic link redemption fails silently. Use a real browser with the magic link URL, or the curl_cffi → Playwright cookie-bridge pattern from bypass-ai skill.
  • Mailinator API for email extraction: Use mailinator.com/api/v2/domains/public/inboxes/<user> to list messages, then .../messages/<msg_id> to get body. Extract magic links/verification codes via regex. Much faster than browser-based mailinator.
  • Bash $ in passwords: When passing passwords containing $ through bash heredocs or single-quoted Python in terminal, bash will interpret $ as variable expansion. Use Python -c with careful quoting, or write script to a file first, or use $$ escaping. This caused 401 login failures that looked like wrong credentials.
  • API tokens before verification: UpCloud allows creating API tokens (POST /v2/account/tokens) even on unverified accounts (active=0). The token works for read-only API calls (account, zones, templates). Server creation requires active=1 (card verified). Don't assume no API access just because card verification failed.
  • SameSite=Strict cookies: UpCloud gate sets auth-token cookie with SameSite=Strict. Cross-origin API calls with the cookie won't work. Use the session login endpoint (POST /v2/session with token: true) which returns auth_token in the JSON body — use that as a Bearer token or pass via the session cookie for same-origin gate calls.
  • Verify rate limiting: UpCloud /v2/account/main/verify rate limits after ~3 attempts (429). Wait 30-60s between attempts. Different billing addresses don't help if the card itself is geo-blocked.
  • Heredoc quoting in terminal: Multi-line Python scripts with single quotes inside heredocs break bash. Write to a .py file with write_file instead of inline heredocs for anything beyond trivial scripts.

Kamatera-specific

  • Signup: POST wp-admin/admin-ajax.php with action=cwm_api_action, jQuery nested serialization (data_options[cases]=cwml&data_options[email]=...)
  • Login: POST /svc/login → mediateToken
  • 2FA: POST /svc/sendtfa → check email → POST /svc/logintfa
  • CSRF: GET /csrf → extract from HTML
  • API base: /svc/ with header token: <csrf>
  • Billing: PUT /svc/billing/profile
  • Full API details: references/kamatera-api.md

IONOS-specific

  • Trials: Free VPS XXL+ (30-day money-back), Free Cloud Server (1-month credit), Cloud Cubes $200 credit (cloud.ionos.com, separate signup). CC + pre-auth required.
  • Login: my.ionos.com/ (NOT /login — 404) → email OTP → password. Error 500 on OTP submit does NOT burn the code — restart login and re-enter the SAME code; it still works. Fresh code only if rejected.
  • Control panel: my.ionos.com/home/add-product shows all free-trial promos (scrape via evaluate_script on links). Empty accounts show no VPS until added.
  • Full details: references/ionos-trial.md

AWS-specific

  • Login chain: TM text captcha auto-solve (iframe img-src → S3 download → qwen3-vl-plus OCR → JS fill/submit, ~4s/read) → email OTP via t-online IMAP → MFA "Skip for now" → console. Builder ID email ≠ account root ("sign-in information does not exist").
  • Stuck accounts resume at signup.aws.amazon.com/billing/signup/incomplete → ?type=resubscribe#/paymentinformation.
  • Error 880104 (ForbiddenInstrumentOperation) = instrument-class rejection at the real $1 pre-auth — generated/BIN-fake VCCs fail ALWAYS, and genuinely-issued cards from blacklisted issuer families fail too (Monobank/UA BINs like 444111 are blanket-blocked regardless of account freshness, proxy, or billing geo). Need an EU-issued card (Revolut/Wise) or a live no-KYC crypto VCC with real authorization capability. Payment-page "network issue" ≠ AWS — triage the split-route proxy first (DoH/phantom-host/upstream-quota checks in ai-provider-autoreg skill → references/aws-signup-billing-flow.md). IAM Identity Center redirects to signup/incomplete until payment completes — IdC/Kiro gated behind payment.
  • Runtime.evaluate hangs on heavy console.aws SPA pages — use a new tab (PUT /json/new?<url>) or drive the light signup tab.
  • Full recipe: references/aws-signin-captcha-payment.md

UpCloud-specific

  • Promo: https://signup.upcloud.com/?promo=deploy250 → $250 (25000 credits), 15-day trial
  • Signup API: https://signup.upcloud.com/api/v2/ (init, verify, finalize-lite, check-promo-code, check-username)
  • Hub/Gate API: https://gate.upcloud.com/v2/ (session, account, tokens, braintree)
  • Public API: https://api.upcloud.com/1.3/ (Bearer token auth)
  • hCaptcha: invisible enterprise on both signup and hub
  • Email verification: IMAP on t-online.de pool (17k accounts, secureimap.t-online.de:993)
  • Card verification: Braintree tokenize → /v2/account/main/verify — requires non-UA card
  • API token: POST /v2/account/tokens works even on unverified accounts
  • Full API details: references/upcloud-api.md