CrawlDex
Preflight detail

nationalcar.com

travel.modify_car_rental

blocked recipe://nationalcar.com/travel.modify_car_rental/public-preflight-v1
Hold / Collect evidence first

Do not trust this route yet

The current evidence set is too thin for a confident agent decision.

Next: Run a canary or submit a trusted outcome before allowing an agent to attempt this unsupervised.
71AES
71% outcome rate
Evidence and trust

low trust

32%
basisBased on 2 evidence samples from catalog reporters.2
sourceSources: public web observation.
nextTreat this as directional until trusted canaries or operator reports arrive.
Confidence low 28%
Evidence 2 public web observation
Freshness 0d fresh
Blockers 2 known friction
Recipe

Official reservation lookup or modify/cancel page shows how to retrieve, adjust, or cancel a rental-car reservation before confirmation.

active
recipe://nationalcar.com/travel.modify_car_rental/public-preflight-v1
  1. Open the documented public path for National Car Rental: Official reservation lookup or modify/cancel page shows how to retrieve, adjust, or cancel a rental-car reservation before confirmation. Public source or help surface is visible.
  2. Check the listed blockers and policy constraints before entering account, payment, booking, or cancellation state. login_required, price_mismatch, policy_parseable, confirmation_email_clean
  3. Stop before any irreversible or user-sensitive action and ask for explicit approval. User approval is captured before final action.
Human approval
Keep the user present for payment, price, fee, booking, or purchase confirmation. Stop before any final transaction.
Do not cross
  • Do not reserve, cancel, add insurance, or accept a new rate without explicit user approval.
  • Check prepaid, no-show, underage, deposit, and location-specific rules before action.
Success signals
  • Reservation lookup form identified
  • Cancellation or modify path visible
  • Rate or policy disclosure visible before final action
Dimension scores

Why the route scores this way

reachability 59
navigability 71
task completability 71
transactability 59
recoverability 71
policy parseability 71
trust safety 59
efficiency 71
Issue flags

Known blockers

login_requiredprice_mismatch
Policy notes
public pathOfficial reservation lookup or modify/cancel page shows how to retrieve, adjust, or cancel a rental-car reservation before confirmation.
task familycancel
seo angleNational Car Rental Car Rental Changes: Public Preflight for AI Agents
confidence noteOfficial reservation pages identify the task path; final rates and fees can change after authenticated or confirmation-number lookup.
launch setfirst 300 public preflight
Recommended actions

Remediation queue

  • highagent
    Do not reserve, cancel, add insurance, or accept a new rate without explicit user approval. Keeps the agent inside documented, reversible, user-approved boundaries.
  • highagent
    Require total-price verification immediately before final submission. Reduces high-regret transaction errors.
Agent handoff

Copy this into an agent runbook

travel.modify_car_rental
Before attempting travel.modify_car_rental on nationalcar.com, check CrawlDex. Current verdict: Collect evidence first. Run a canary or submit a trusted outcome before allowing an agent to attempt this unsupervised.
curl -sS -X POST /api/v1/preflight \
  -H 'content-type: application/json' \
  -d '{"site":"nationalcar.com","task":"travel.modify_car_rental","agent_profile":{"stack":"browser-use","browser_runtime":"playwright"}}'
Preflight contract 
{
  "site": "nationalcar.com",
  "task": "travel.modify_car_rental",
  "agent_profile": {
    "stack": "browser-use",
    "browser_runtime": "playwright"
  }
}