stack.promo
stack.promo scores 71/100 on xpay's Agent-Ready Index v2: partial pricing visibility; self-serve checkout is available; a public API exists with documentation; usage-based / per-token pricing is published.
stack.promo — 3 products
Wix
$45/mo
flatHow stack.promo scores on the agent-ready dimensions
Public pricing visibility
15 / 15
Self-serve checkout
15 / 15
Public API + docs
16 / 20
Usage-based / metered pricing
13 / 20
Free entry path
0 / 7
No sales call required
7 / 7
Card / wallet / x402 payment
5 / 6
Machine-readable bonus (MCP / OpenAPI)
0 / 10
Total
71 / 100
What it actually costs at typical scale
Small business using Starter plan (200 MAU)
$20/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
full
Purchase motion
self_serve
Demo required
Quote required
Annual commit required
Auto-renewal mentioned
Cancellation policy visible
Refund policy visible
Invoice payment available
Unknown
Purchase orders supported
Unknown
MSA required
Unknown
DPA available
Unknown
Security review required
Unknown
Trial
30 days
API & developer surface
API-first product
Sandbox present
Unknown
Webhooks
Unknown
MCP mentioned
Rate limits
Unlimited API calls/hour for Wix/BigCommerce; 100/600/5000 calls/hour for Starter/Team/Premium tiers
Positioning & ecosystem
“Connecting Businesses to Customers with Rewards and Loyalty Program”
Buyer persona
Six-step check: can an agent actually buy from stack.promo?
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.
- 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 stack.promo 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 | stack.promo — Talk to our experts and get tailored pricing for your business. |
| tier_count | 1 |
| lowest_paid_entry_usd | 45 |
| free_tier | false |
| 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":false,"mcp_server_card":false,"agent_skills_index":false,"x402_supported":false} |
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See agent-ready picksstack.promo
71
/ 100 (rubric v2.0)Loyalty Management
stack.promo — Talk to our experts and get tailored pricing for your business.
1
No
$45/mo
0 / 1
Auth-walled
No
Not published
2026-05-09
Tier-based subscription
stack.promo pricing starts at $20/mo for the Starter plan; higher tiers include Team at $100/mo and Premium at $600/mo. Billed monthly.
Starter plan ($20)
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 stack.promo with peers
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69
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64
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64
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63
Popdeem
62
Cheerfy Loyalty
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Whisqr Loyalty
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Explore the Agent-Ready SaaS Index
25,480+ SaaS scored on agent-buyability — browse by readiness band, category, or jump straight to a pay-per-run tool on xpay.tools.