Top picks for Union City API only

Discover 240 API only in Union City on Trip.com, updated October 20, 2026, with experiences lasting from 1 to 10 hours. Find the perfect adventure for your day!

From €25.88 per person, with an average total of €88.63. Choose the option that suits your plan.

With 140 verified reviews, API only Union City boast an average rating of 4.7.

This week's most popular API only: "San Francisco's Full city 1 Day Hop on Hop off Bus tour", with 133 reviews and a 3.4 rating.

Now on Trip.com: "iFLY San Francisco Bay: First Time Flyer Experience", a 1-hour adventure in Union City!

The next available day tour departs on October 21, 2026. Book now to secure your spot!

Union City API only usually take about 1 hours — perfect for a relaxed, immersive experience!

95% of Union City API only now offer English-speaking guides

October is the perfect time to visit Union City! Choose from 240 available day tours, including seasonal favorites like San Francisco's Full city 1 Day Hop on Hop off Bus tour.

Your trip, worry-free! All day tours are run by licensed suppliers with verified reviews, and many include free cancellation before departure.

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240 results for Union City API only

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Reviews/Trip Moments

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Reviews:
Guest User2025-04-30
Was amazing, we had such a good time! The instructor Rick was amazing with us!
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Reviews: San Francisco best tour ② | Stanford university + Silicon valley + Carmel-by-the-Sea + Big sur group day tour
Guest User2026-06-08
Good tour guide service
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Reviews: Go City: San Francisco Explorer Pass (Discover over 30 top attractions | Aquarium of the Bay, The Walt Disney Family Museum & more)
Guest User2025-05-12
It is a good experience and very user-friendly to buy the ticket. It is very convenient and cheap.
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Reviews: Go City: San Francisco All-Inclusive Pass (Discover over 20 top attractions | Aquarium of the Bay, California Academy of Sciences & more)
Guest User2025-05-18
Excellent! Highly recommended!
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Reviews: San Francisco 1-day tour [Golden Gate Bridge/Lombard Street/Fisherman's Wharf]
Guest User2026-06-06
I booked this trip and was looking forward to it, but unfortunately, eight hours after departure, my son fell ill and could not walk a single step, so I contacted them. They told me they were looking for a hospital and doing their best, but that he might not be able to participate. I went to several hospitals, but I struggled to find one due to various reasons, such as being a foreigner, lack of insurance, and the absence of a pediatric specialist capable of treating children. Eventually, I paid $420 for treatment and submitted the medical records, but they said they could not issue a refund. What is the reason for not fully refunding a cost of 400,000 won? Even when flying, if the reason is health, they usually change the schedule or issue a refund. I initially asked if a refund wasn't possible, since I would be staying in San Francisco until Sunday, to at least allow him to participate in the same program on Saturday. The person in charge did not grant any of these requests and took my 400,000 won. I was upset because I heard that a Trip.com employee also requested a refund from the person in charge but was told it was not possible, and there was no further response. The person in charge speaks in Chinese, which I can only read via a translation. I find it difficult to recommend this trip. No one can predict when they might get sick, but since they don't offer refunds even when you are ill, what happened to me could happen to someone else. I was so upset that I went personally with my son today to take this photo.