WithZero Form Builder via ZeroClick

x402

WithZero Form Builder via ZeroClick is a paid API for AI agents from agents.withzero.xyz, paid per call via x402 or MPP, price unknown, status unknown (last checked 2026-10-01).

Creates a public web form from a JSON Schema definition and notifies specified email recipients on each submission

Price / call—

Seller volume →—

Success—

StatusUnknown

How this service works

Creates a new form capability.

Output

Returns a 6-character form ID, a public URL where the rendered form is accessible to end users, and a submitUrl endpoint that the form POSTs to on submission. The agent can share the public URL directly or embed it in communications.

Example use cases

Customer feedback collection form

“Build me a public feedback form titled 'Product Feedback' with fields for the user's name, email, and a text area for their comments — send every submission to feedback@mybrand.com and support@mybrand.com.”

Event RSVP form with webhook

“Create an RSVP form called 'Q3 Team Meetup' with fields for full name, email, dietary restrictions (a dropdown with options: none, vegetarian, vegan, gluten-free), and attendance confirmation — notify events@company.com and also post each submission to our Slack inbox webhook at https://inbox.withzero.xyz/connect/abc123.”

Lead capture form for landing page

“I need a lead capture form titled 'Free Trial Request' with required fields for first name, last name, work email, and company size (a select field with options: 1-10, 11-50, 51-200, 200+) — email new leads to sales@startup.io every time someone submits.”

Technical details

Endpoint

POSThttps://agents.withzero.xyz/api/v1/forms/forms?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need to rapidly deploy a public web form without setting up any backend infrastructure, authentication, or vendor accounts. It is ideal when the agent needs to collect structured data from humans and route submissions to email recipients or a webhook — particularly useful in agentic workflows where the agent needs a human-in-the-loop data collection step. Prefer it over custom form builders when speed, zero-setup, and per-submission email notifications are the priority.

Side effects

Invalid or empty JSON Schema causes a 400 error — schema must be rjsf-compatible
Recipients array empty or exceeds 20 addresses returns a validation error
Malformed webhook URL causes webhook delivery failures silently after creation
Missing required 'schema' or 'recipients' fields returns a 422 unprocessable entity
Payment or identity issues via ZeroClick proxy may cause 402 or 401 errors

Input

Schema · Request body

Field	Type	Description
title	string	Optional heading shown above the form.
schemarequired	object	JSON Schema describing the form fields (rjsf-compatible).
webhook	object	Optional delivery webhook. Point it at an inbox connection URL to flow submissions into an agent inbox.
uiSchema	object	Optional rjsf UiSchema for widget hints and ordering.
recipientsrequired	array	1–20 email addresses notified on each submission.

Output

Schema · Response

Field	Type	Description
idrequired	string	6-character form id.
urlrequired	string	Public URL where the form renders.
submitUrlrequired	string	Endpoint the rendered form POSTs submissions to.

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