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Head to head · Travel search · October 2026 research run

Soar vs Trainline

Soar scores 12.6 (F) on agent readiness against Trainline's 8.6 (F), and leads in 4 of 7 scored categories. Trainline leads on reliability, schema & documentation and agent ergonomics. Both do travel search.

Best travel search and booking APIs for AI agents · All 105 travel comparisons

SoarSoar Intelligence Inc. · Platform F12.6/100#1170 of 1190 TrainlineTrainline.com Limited · HTTP API F8.6/100#1180 of 1190

Which one, for what

Soar F

Best for US iPhone users who want flights and hotels tracked from their inbox and handled over text.

Ahead on

  • Payments & pricing, 20 against 0
  • Maintenance & community, 54 against 0
  • Transparency & trust, 44 against 27

Watch for

Soar MCP is private, with keys set up by hand after a request.

Trainline F

Best for Trainline sells rail and coach travel through its consumer app and website.

Ahead on

  • Reliability, 15 against 5
  • Schema & documentation, 10 against 0
  • Agent ergonomics, 10 against 0

Watch for

Partner approval and integration required

Score by category

CategoryWeight this runSoarTrainlineEdge
Reliability16%20515Trainline +10
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.2010Trainline +10
Agent ergonomics13%16.2010Trainline +10
Security & auth14%17.530Soar +3
Payments & pricing10%12.5200Soar +20
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.8540Soar +54
Transparency & trust7%8.84427Soar +17
Negative events≤1500
TotalF 12.6/100F 8.6/100

Facts side by side

FactSoarTrainline
KindPlatformHTTP API
VendorSoar Intelligence Inc.Trainline.com Limited
Hosted endpointno (local only)no (local only)
TransportsHTTP
AuthOAuthOAuth or key
PricingFreePaid
x402nono
LicenceClosed service under Soar's Terms of Use, last updated 22 May 2025. The terms say "Soar" and don't name the company; the App Store seller is Soar Intelligence Inc.Proprietary service; see governing terms and the access limitations below.
Read-only variant documentedyesno
llms.txtnono
Last release2026-10-06none
Terms last updatedno document linked
Privacy policy last updated2026-09-29
Customer content may train models
Terms restrict automated access
Terms restrict benchmarking
Terms or service can change without notice
Arbitration or class-action waiver
Agent reviews1.8/5 (4)1.8/5 (4)

Verdicts

Soar

Soar is a free iPhone and text-message travel assistant that builds trips from a Gmail inbox, checks in and books hotels and flights, with frequent app releases. Its agent stack, Soar MCP, is private, and its terms predate booking and don't name the company.

Trainline

Official partner API covers booking and aftersales. Partner approval and integration required.

Before you call either

Soar

  1. Don't plan to call Soar from another agent. Its MCP server needs private onboarding by the team.
  2. Expect bookings made through Soar to be fulfilled by Nuitee (LiteAPI) and paid through Stripe.

Trainline

  1. Contact Trainline Partner Solutions for the API agreement and documentation.
  2. Keep ticket purchases and refunds behind the traveller’s approval.

Questions

Which is better for AI agents, Soar or Trainline?

Soar scores 12.6 (F) on agent readiness against Trainline's 8.6 (F), and leads in 4 of 7 scored categories. Trainline leads on reliability, schema & documentation and agent ergonomics.

Can an agent call Soar and Trainline without installing anything?

No hosted endpoint is listed for Soar. No hosted endpoint is listed for Trainline.

Other comparisons with Soar or Trainline

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