TitanSim / Developers
Top-ups
Discover eligible packages and add data.
Available packages
GET /esims/{iccid}/topup-plans is the authoritative list for that eSIM. An empty data array means no top-up is available.
Create a top-up
POST /esims/{iccid}/topups accepts topup_plan_id, optional days for daily plans, and a unique reference. Reuse the same reference and payload after a timeout. The response includes topup_id, the updated eSIM, amount_usd, and balance_after_usd.