Who offers it

Part of Trials and free tiers, which explains why it matters.

Fully: Blaxel, boxd, Daytona, E2B, InstaBox, Runtime and Tensorlake. Not at all: Agent 37, Boat, Cloudflare Sandbox, Lizard, Modal and Sandboxer.

  • BlaxelYesno card

    docs-confirmed “Up to $200 in credits, no credit card required.” Source

  • boxdYes2 machines without one

    Without a card you are limited to two machines and get no credit.

    docs-confirmed “An org without a payment method is capped at 2 machines” Source

  • DaytonaYesno card

    pricing-page “Sign up for a free trial - no credit card required” Source

  • E2BYesno card

    pricing-page “No credit card required to start.” Source

  • InstaBoxYesfree plan

    The docs never ask for a card on the free plan; some accounts can be asked for one before a machine starts.

    pricing-page “Free: $0” Source

  • RuntimeYesno card

    docs-confirmed “with no card” Source

  • TensorlakeYesfree plan, no card

    The free plan is $0 forever; paid use starts from a $5 prepaid pack.

    docs-confirmed “Tensorlake Cloud has a free tier” Source

  • Agent 37Nocard for the credit

    Note: A card is needed to get the credit that makes the first machine runnable.

    docs-confirmed “Add a card from the billing page (nothing is charged) and your workspace gets a one-time $5 credit” Source

  • BoatNocard at checkout

    Note: Checkout asks for a card before the trial starts.

    docs-confirmed “Checkout asks for a card.” Source

  • Cloudflare SandboxNopaid plan first

    Note: You need a paid Workers plan, which means a payment method, before a sandbox can run.

    docs-confirmed “Available on Workers Paid plan” Source

  • LizardNocard for the trial

    Note: You add a card to start the trial, though nothing is charged at that point.

    docs-confirmed “You add a card to start it” Source

  • SandboxerNocard for the trial

    Note: The trial needs a card up front and becomes a paid plan after seven days.

    inferred “7 days, 25 hours of machine time, up to 2 sandboxes at once on the small and default sizes” Source

  • MorphNot published

    No page says whether a card is needed, and an invitation is mentioned.

    not-published “Once you have your invite” Source

  • SpritesNot published

    No page says whether a card is required to start.

    not-published “Each user can grant one $30 trial credit, and each org can receive at most one.” Source

  • Vercel SandboxNot published

    Vercel's pages do not say whether a card is needed for the Hobby plan or the trial.

    not-published “the Hobby plan restricts users to non-commercial, personal use only.” Source

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