Duffel Payments
Duffel Payments scores 54/100 on xpay's Agent-Ready Index v2: partial pricing visibility; checkout requires assistance; usage-based / per-token pricing is published.
Duffel Payments pricing
Sign up, get an API key, pay per call
Self-serve checkout with public pricing — an autonomous agent can complete the purchase without a sales call.
3 SKUs priced in mixed units (order, ancillary, search)
| Model / SKU | Input | Output |
|---|---|---|
Flight order fee Charged monthly for every confirmed order | $3 / order | — |
Ancillary fee Charged monthly per paid ancillary | $2 / ancillary | — |
Excess search fee Charged per excess search beyond 1500:1 ratio | $0.005 / search | — |
How Duffel Payments scores on the agent-ready dimensions
Public pricing visibility
15 / 15
Self-serve checkout
13 / 15
Public API + docs
0 / 20
Usage-based / metered pricing
20 / 20
Free entry path
0 / 7
No sales call required
4 / 7
Card / wallet / x402 payment
2 / 6
Machine-readable bonus (MCP / OpenAPI)
0 / 10
Total
54 / 100
What it actually costs at typical scale
10 flight orders, 5 paid ancillaries, 20 000 searches
$65/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
partial
Purchase motion
self_serve
Demo required
Quote required
Unknown
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
Positioning & ecosystem
“Pay only for what you need.”
Buyer persona
Six-step check: can an agent actually buy from Duffel Payments?
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.
- The pricing URL did not render numeric tier data on the scoring date — possibly a router or sales-led landing page.
How Duffel Payments 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 | false |
| headline_phrasing | Pay only for what you need. — APIs to components - everything you need to build your travel experience. |
| tier_count | 0 |
| lowest_paid_entry_usd | null |
| free_tier | false |
| free_tier_terms | null |
| per_unit_price | null |
| annual_required | false |
| self_serve_paid_tiers | 1 |
| sales_only_tiers | 0 |
| public_api_docs_url | https://duffel.com/docs |
| api_docs_auth_walled | false |
| ai_pricing_json_present | false |
| agents_txt_present | false |
| anonymous_purchase_path | false |
| per_unit_classification | {"unit_class":"query","confidence":"rejected","agent_task_price_forecastable":"no","rejected_reason":"reject-context word found within ±200 chars (seat/period/credit/etc.)","evidence_text":"$2.00per paid ancillaryExcess search"} |
| 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} |
View raw extracted page text →
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See agent-ready picksDuffel Payments
54
/ 100 (rubric v2.0)Payment Processing
Pay only for what you need. — APIs to components - everything you need to build your travel experience.
0
No
Sales-led
1 / 0
Public
No
Not published
2026-05-09
Pay-as-you-go API
Duffel Payments pricing is pay‑as‑you‑go with $3.00 per flight order, $2.00 per paid ancillary, and $0.005 per excess search; fees are billed monthly.
Sign up
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 Duffel Payments with peers
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82
Pin Payments
77
Stripe Payments
75
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72
GETTRX
68
Braintree Direct
66
PayJunction
62
Venmo for Business
61
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