Tail.ai
Tail.ai scores 57/100 on xpay's Agent-Ready Index v2: partial pricing visibility; checkout requires assistance; usage-based / per-token pricing is published; a free entry path exists.
Tail.ai pricing
Free
Free
Basic
Free
Premium
$200/mo
flatEnterprise
Contact sales
How Tail.ai scores on the agent-ready dimensions
Public pricing visibility
15 / 15
Self-serve checkout
9 / 15
Public API + docs
0 / 20
Usage-based / metered pricing
17 / 20
Free entry path
7 / 7
No sales call required
4 / 7
Card / wallet / x402 payment
5 / 6
Machine-readable bonus (MCP / OpenAPI)
0 / 10
Total
57 / 100
What it actually costs at typical scale
1 user, 500 messages (within free cap)
$0/mo
1 user, 5,000 messages
$100/mo
1 user, 50,000 messages on Premium plan
$1050/mo
Can an autonomous agent transact here?
Can create account
Can enter payment method
Can upgrade plan
Can buy more usage
Can cancel online
Unknown
Payment methods
Human approval recommended
Pricing transparency
full
Purchase motion
assisted_checkout
Demo required
Quote required
Annual commit required
Auto-renewal mentioned
Cancellation policy visible
Refund policy visible
Invoice payment available
Purchase orders supported
Unknown
MSA required
Unknown
DPA available
Unknown
Security review required
Unknown
Trial
Available, no card
Positioning & ecosystem
Buyer persona
Six-step check: can an agent actually buy from Tail.ai?
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.
- 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.
- All advertised tiers route to a sales contact form; an agent cannot complete a purchase autonomously.
- 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 Tail.ai 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 | Tail.ai — Capped at 1000 messages total |
| tier_count | 1 |
| lowest_paid_entry_usd | null |
| 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 | true |
| 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} |
View raw extracted page text →
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See agent-ready picksTail.ai
57
/ 100 (rubric v2.0)Bot Platforms
Pricing | Tail.ai — Capped at 1000 messages total
1
Yes
Sales-led
0 / 1
Auth-walled
No
Not published
2026-05-09
Tier-based subscription
Tail.ai pricing starts at €0/mo for the Free plan; paid plans up to €200/mo. Billed monthly.
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 Tail.ai with peers
Highest-scoring companies in the same category that an AI agent might evaluate as an alternative.Google Cloud Dialogflow
87
Botpress
83
Amazon Lex
75
BOTNATION AI
71
Trimlink
68
BotSpace
68
Pandorabots
66
Dexter
66
Explore the Agent-Ready SaaS Index
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