How many custom questions does TikTok Lead Gen support?

Up to 10 custom questions per form, in addition to standard PII fields.

Are leads exported in real time?

Yes, via the TikTok Ads API or CSV export. Most CRMs support direct integration.

Are TikTok lead costs lower than Meta?

Varies by category. TikTok Lead Gen often runs at lower CPL for younger demos; Meta is stronger for older demos.

Can the form be customized visually?

Limited. TikTok controls the form chrome; you control the questions and intro copy.

TikTok Lead Generation Ad Character Limits

TikTok Lead Generation Ads collect form fills inside the TikTok app — same mental model as Meta Lead Ads, different character math. The video creative inherits In-Feed clamps (2,200-character caption with ~100 visible, 40-character display name). When the user taps the CTA, an Instant Form opens with a 80-character form intro and configurable form fields.

The 80-character form intro is the field most Lead Generation campaigns waste. Buyers default to "Fill out this form to get more info" — generic, low-conversion. The pattern that performs is "What product are you considering? We'll send a sample." Specific, specific, specific.

Form fields support standard PII (name, email, phone) plus custom questions. Custom question labels cap at 90 characters — slightly tighter than Meta Lead Ads. The pre-fill behavior is identical: TikTok auto-fills from user profile data and the user can edit before submitting.

Last verified Apr 15, 2026

Placement

Caption50/2200clips at 100

Display name0/40clips at 40

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Lead Gen ads = In-Feed clamps + 80-char form intro

🎵 Original sound · brand

Verified 2026 limits

Field	Hard max	Visible before truncate	Warn at
Caption	2200	100	80
Display name	40	40	30

Source: https://ads.tiktok.com/help/article/in-feed-ads-overview · Last verified 2026-04-15.

Form-intro discipline

80 characters is enough for "Specific question + specific incentive." Don't waste them on greetings.

FAQ

How many custom questions does TikTok Lead Gen support?: Up to 10 custom questions per form, in addition to standard PII fields.
Are leads exported in real time?: Yes, via the TikTok Ads API or CSV export. Most CRMs support direct integration.
Are TikTok lead costs lower than Meta?: Varies by category. TikTok Lead Gen often runs at lower CPL for younger demos; Meta is stronger for older demos.
Can the form be customized visually?: Limited. TikTok controls the form chrome; you control the questions and intro copy.