Stoplight
Stoplight scores 30/100 on xpay's Agent-Ready Index v2: partial pricing visibility; checkout requires assistance.
Stoplight pricing
Free
Free
foreverBasic
$56/mo
Startup
$147/mo
Pro Team
$453/mo
Enterprise
Contact sales
How Stoplight scores on the agent-ready dimensions
Public pricing visibility
15 / 15
Self-serve checkout
11 / 15
Public API + docs
0 / 20
Usage-based / metered pricing
0 / 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
30 / 100
Six-step check: can an agent actually buy from Stoplight?
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.
- 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 Stoplight 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 plans for every API program. — Explore which features are right for your team. |
| tier_count | 6 |
| lowest_paid_entry_usd | 44 |
| free_tier | false |
| free_tier_terms | null |
| per_unit_price | null |
| annual_required | true |
| self_serve_paid_tiers | 5 |
| sales_only_tiers | 0 |
| public_api_docs_url | https://docs.stoplight.io/ |
| api_docs_auth_walled | false |
| 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} |
View raw extracted page text →
Claim this scorecard & lift your score.
Get the breakdown of every signal we measured, the one-line fix, and how your peers in API Management stack up.
Compare the agent-ready picks in API Management.
If you're building or running an AI agent that needs to buy from this category, see who's scoring highest right now.
See agent-ready picksStoplight
30
/ 100 (rubric v2.0)API Management
Pricing plans for every API program. — Explore which features are right for your team.
6
No
$44/mo
5 / 0
Public
No
Not published
2026-05-08
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 Stoplight with peers
Highest-scoring companies in the same category that an AI agent might evaluate as an alternative.BestTime.app
85
Databar.ai
80
broadpeak.io
79
Apideck Vault
79
Sequin
79
SharpAPI
78
Sparrow
78
NoCodeAPI
78
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.