# Duffel Flights and Stays API vs LetsFG (slim)

> Duffel Flights and Stays API has a score of 66.9 (B) against LetsFG's 64.2 (B). Both do travel flights. The largest gap is payments & pricing, 25 points. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/duffel-vs-letsfg.md (~1,500 tokens) · this version ~330 tokens · JSON https://www.anchorterminal.com/compare/duffel-vs-letsfg.json · canonical https://www.anchorterminal.com/compare/duffel-vs-letsfg
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-05

Duffel Flights and Stays API has a score of 66.9 (B) against LetsFG's 64.2 (B). Both do travel flights. The largest gap is payments & pricing, 25 points.

- Duffel Flights and Stays API: B 66.9, rank #153 of 452 · https://www.anchorterminal.com/tools/duffel.min.md
- LetsFG: B 64.2, rank #189 of 452 · https://www.anchorterminal.com/tools/letsfg.min.md
- Pick Duffel Flights and Stays API for reliability (+15), transparency & trust (+10). Pick LetsFG for schema & documentation (+24), security & auth (+6), payments & pricing (+25).

| Category | Duffel Flights and Stays API | LetsFG |
| --- | --- | --- |
| Reliability (16%) | 70 | 55 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 59 | 83 |
| Agent ergonomics (13%) | 80 | 83 |
| Security & auth (14%) | 60 | 66 |
| Payments & pricing (10%) | 40 | 65 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 92 | 88 |
| Transparency & trust (7%) | 77 | 67 |