In the oracle section under Divine Spellcasting: "Each day, you can cast up to three 1st-level spells."
The table to the left says you only have 2 1st level spell slots. The language for spell repertoire also seems to confirm you should only have 2 1st level spell slot at level 1.
https://paizo.com/threads/rzs42u08?Spells-per-day-errata