Which save-the-date and RSVP card vendors are known for custom design options and fast turnaround?

If you want custom design options plus fast turnaround, these vendors are commonly known for that combination:

Save-the-date vendors

• The Knot Invitations – Lots of customizable templates, easy matching to wedding websites/invites, and usually quick digital proofing/printing.
• Minted – Strong for custom-looking designs, artist-created templates, and relatively fast production with rush options.
• Zola – Simple customization, cohesive wedding suite options, and generally quick ordering workflow.
• Shutterfly – Good for photo-heavy save-the-dates with many templates and frequent fast-shipping promos.
• Basic Invite – Highly customizable colors/fonts/layouts, with flexible design tools and quick turnaround on many items.

RSVP card vendors

• Minted – Excellent for matching RSVP cards to a full invitation suite; good quality and fairly quick processing.
• The Knot Invitations – Easy to coordinate RSVP cards with the rest of the suite; good for standard timelines.
• Basic Invite – One of the better options for deep customization of RSVP cards and suite components.
• Paper Source – More design-forward options, including custom pieces and professional print support.
• Vistaprint – Fast production and shipping, plus editable templates; good if speed matters most.

Best bets if speed is the top priority

• Vistaprint
• Shutterfly
• The Knot Invitations
• Zola

Best bets if customization matters most

• Minted
• Basic Invite
• Paper Source

If you want, I can also narrow this down by:

1. budget,
2. wedding style (modern, classic, rustic, luxury), or
3. whether you need printed cards or digital-only RSVPs.