Invoicebus
Invoicebus scores 77/100 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.
Invoicebus pricing
Van
$0.95/mo
flatMinibus
$995/mo
flatSingle-decker
$1995/mo
flatDouble-decker
$2995/mo
flatJumbo Bus
$8995/mo
flatHow Invoicebus scores on the agent-ready dimensions
Public pricing visibility
15 / 15
Self-serve checkout
15 / 15
Public API + docs
18 / 20
Usage-based / metered pricing
13 / 20
Free entry path
4 / 7
No sales call required
7 / 7
Card / wallet / x402 payment
5 / 6
Machine-readable bonus (MCP / OpenAPI)
0 / 10
Total
77 / 100
What it actually costs at typical scale
1 user, standard usage on Minibus plan
$995/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
Purchase orders supported
MSA required
DPA available
Security review required
Trial
30 days (no card)
Annual discount
30% off
API & developer surface
API-first product
Sandbox present
Unknown
Webhooks
MCP mentioned
Positioning & ecosystem
“Flat-fee prices, no surprices.”
Buyer persona
Six-step check: can an agent actually buy from Invoicebus?
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.
- PPU requires account creation and an issued API key; a fully unauthenticated agent purchase is not yet supported.
- No /.well-known/ai-pricing.json or equivalent machine-readable pricing manifest is published — agents must rely on HTML scraping.
How Invoicebus 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 | Pricing — Pay monthly and change plans or cancel any time. Or, pay for one or two years in advance and get up to 30% off. Regardless of your selection, you'll be covered by our ridiculous 365-day double-money-back guarantee. |
| tier_count | 1 |
| lowest_paid_entry_usd | 995 |
| free_tier | true |
| free_tier_terms | null |
| per_unit_price | null |
| annual_required | false |
| self_serve_paid_tiers | 1 |
| sales_only_tiers | 0 |
| 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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See agent-ready picksInvoicebus
77
/ 100 (rubric v2.0)Billing And Invoicing
Not advertised
1
Yes
$995/mo
1 / 0
Auth-walled
No
Not published
2026-05-09
Tier-based subscription
Invoicebus pricing starts at $0.95/mo for the Van plan; paid plans range up to $8,995/mo. Billed monthly or annually with up to 30% discount.
Start 30-day free trial
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 Invoicebus with peers
Highest-scoring companies in the same category that an AI agent might evaluate as an alternative.Stripe Invoicing
75
EzzyBooks
70
Zervant
69
billwerk
69
InvoiceApp
67
Subill
65
Amberflo
64
Blip
63
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.