Customer.io
Customer.io scores 47/100 on xpay's Agent-Ready Index v2: partial pricing visibility; checkout requires assistance; usage-based / per-token pricing is published.
Customer.io pricing
Essentials
$100/mo
Premium
$1000/yr
~$83/mo equivEnterprise
Contact sales
How Customer.io scores on the agent-ready dimensions
Public pricing visibility
15 / 15
Self-serve checkout
8 / 15
Public API + docs
0 / 20
Usage-based / metered pricing
20 / 20
Free entry path
4 / 7
No sales call required
0 / 7
Card / wallet / x402 payment
0 / 6
Machine-readable bonus (MCP / OpenAPI)
0 / 10
Total
47 / 100
Six-step check: can an agent actually buy from Customer.io?
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 Customer.io could lift its score
Add at least one self-serve paid tier with a checkout link, so an agent can pay without a sales call.
| pricing_visible | true |
| headline_phrasing | Straightforward pricing that grows with you — For teams getting started with data-driven messaging |
| tier_count | 0 |
| lowest_paid_entry_usd | 100 |
| free_tier | false |
| free_tier_terms | null |
| per_unit_price | $10 / 100K |
| annual_required | true |
| self_serve_paid_tiers | 0 |
| sales_only_tiers | 1 |
| public_api_docs_url | https://docs.customer.io/ |
| api_docs_auth_walled | false |
| ai_pricing_json_present | false |
| agents_txt_present | false |
| anonymous_purchase_path | false |
| per_unit_classification | {"unit_class":"other","confidence":"medium","agent_task_price_forecastable":"yes","rejected_reason":null,"evidence_text":"$10 / 100K"} |
| 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 picksCustomer.io
47
/ 100 (rubric v2.0)Marketing Automation
Straightforward pricing that grows with you — For teams getting started with data-driven messaging
0
No
$100/mo
$10 / 100K
0 / 1
Public
No
Not published
2026-05-09
Tier-based subscription
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 Customer.io with peers
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