Short answer. Only partially. Article 2173 of the Civil Code routes this situation to Article 1236, which lets a third party who paid without the debtor's knowledge recover only to the extent the payment actually benefited the debtor — not the full amount you paid, unless it fully benefited them.
What the law says
When a third person, without the knowledge of the debtor, pays the debt, the rights of the former are governed by articles 1236 and 1237.
Civil Code, Article 2173 — Paying Another's Debt Without His Knowledge. Read the full provision →
What the law says
Whoever pays for another may demand from the debtor what he has paid, except that if he paid without the knowledge or against the will of the debtor, he can recover only insofar as the payment has been beneficial to the debtor.
Civil Code, Article 1236 — Payment by a Third Person. Read the full provision →
Article 2173 points you to a different provision
Article 2173 is short by design: it identifies the situation — a third person paying a debt without the debtor's knowledge — and states that the rights involved are governed elsewhere, by Articles 1236 and 1237. It does not itself spell out the recovery rule; it directs the analysis to those other provisions of the Code, which is where the actual answer to whether and how much you can recover is found.
The general recovery rule, and its limit
Article 1236 gives the general rule first: whoever pays for another may demand from the debtor what they paid. But it immediately narrows that where the payment was made without the knowledge of the debtor — exactly your situation — the person who paid can recover only insofar as the payment has been beneficial to the debtor. That is the operative limit: your recovery is capped at how much the debtor actually benefited, not automatically the full sum you handed over.
Why 'beneficial to the debtor' is the real question
This means the amount you can recover depends on what the payment actually did for the debtor — did it extinguish the debt entirely, reduce interest that was accruing, or avoid some penalty they would otherwise have faced? If the debtor's benefit from your payment was equal to the full amount you paid, you may be able to recover the full amount; if the benefit was only partial, your recovery is limited to that lesser figure.
What to gather before pursuing this
Because the outcome turns on the extent of the debtor's actual benefit rather than simply the amount you spent, keep records of exactly what debt was paid, when, and what effect the payment had — whether it settled the obligation in full, reduced what the debtor still owed, or protected them from some consequence like default. That documentation is what a claim under Article 1236, as routed through Article 2173, would need to establish, and it is worth reviewing with a lawyer before pursuing reimbursement.
Related provisions
- Civil Code, Article 2173 — Paying Another's Debt Without His Knowledge
- Civil Code, Article 1236 — Payment by a Third Person