Signupster
Signupster scores 42/100 on xpay's Agent-Ready Index v2: partial pricing visibility; self-serve checkout is available; a free entry path exists.
Signupster pricing
Free
Free
Pro
$12/mo
flatEnterprise
Contact sales
How Signupster scores on the agent-ready dimensions
Public pricing visibility
15 / 15
Self-serve checkout
15 / 15
Public API + docs
0 / 20
Usage-based / metered pricing
0 / 20
Free entry path
7 / 7
No sales call required
0 / 7
Card / wallet / x402 payment
5 / 6
Machine-readable bonus (MCP / OpenAPI)
0 / 10
Total
42 / 100
What it actually costs at typical scale
Small organization using Pro plan
$12/mo
Can an autonomous agent transact here?
Can create account
Can enter payment method
Can upgrade plan
Can buy more usage
Can cancel online
Payment methods
Human approval recommended
Pricing transparency
partial
Purchase motion
self_serve
Demo required
Quote required
Annual commit required
Auto-renewal mentioned
Cancellation policy visible
Refund policy visible
Invoice payment available
Purchase orders supported
MSA required
DPA available
Security review required
Trial
14 days (no card)
Annual discount
20% off
Trust & compliance
SSO / SAML
RBAC
Unknown
Audit logs
Positioning & ecosystem
“Group sign-ups, without the dread.”
Buyer persona
Six-step check: can an agent actually buy from Signupster?
Discover price
Select a plan
Pay per task
Avoid a sales call
API docs without auth
Estimate cost upfront
Pros and cons for AI agents
Observational summary written by xpay from the signals captured on 2026-05-06. Not a review of the product — only of its current pricing posture for agent buyers.- Pricing is publicly visible on an indexable page — agents can read tiers without scraping past auth.
- Every advertised tier is self-serve; no tier requires scheduling a call.
- A free tier exists, lowering the bar for an agent builder to prototype before committing budget.
- No per-unit price was advertised, so an agent has no way to estimate the cost of a single task.
- API documentation is gated or absent; an agent cannot inspect the integration surface without authentication.
- No /.well-known/ai-pricing.json or equivalent machine-readable pricing manifest is published — agents must rely on HTML scraping.
How Signupster could lift its score
Add a per-unit price (e.g. $X / 1K calls) to the pricing page so an agent can compute its own cost before committing.
| pricing_visible | true |
| headline_phrasing | Group sign-ups, without the dread. — Potlucks, carpools, snack rotas, meal trains, volunteer shifts — start from a template in 60 seconds, claimed in 12 on a phone, free for groups under 50. No banner ads above your kid's birthday party. |
| tier_count | 4 |
| lowest_paid_entry_usd | 12 |
| free_tier | true |
| free_tier_terms | null |
| per_unit_price | null |
| annual_required | false |
| self_serve_paid_tiers | 0 |
| sales_only_tiers | 1 |
| public_api_docs_url | null |
| api_docs_auth_walled | null |
| ai_pricing_json_present | false |
| agents_txt_present | false |
| anonymous_purchase_path | false |
| per_unit_classification | null |
| usage_headline_present | false |
| custom_tier_present | true |
| agent_friendly | {"ai_pricing_json":false,"agents_txt":false,"llms_txt":false,"sitemap_xml":true,"mcp_server_card":false,"agent_skills_index":false,"x402_supported":false} |
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42
/ 100 (rubric v2.0)Event Planning
Not advertised
4
Yes
$12/mo
0 / 1
Auth-walled
No
Not published
2026-05-09
Tier-based subscription
Signupster pricing starts at $0/mo for the Free plan; paid plans start at $12/mo for the Pro plan and custom pricing for Enterprise. Billed monthly or annually with a 20% discount for yearly billing.
Free plan (Free)
Discovery files and protocols
Side-channel signals — informational, not part of the score. Each protocol is independent; adoption signals the publisher is thinking about agent buyers.ai-pricing.json
agents.txt
llms.txt
sitemap.xml
MCP Server Card
Agent Skills
x402 / MPP
Compare Signupster with peers
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