"We have reached agreement on everything, including the 48 additional measures" that should allow the 12 billion euros (USD 12.8 billion) to be paid out on Friday, Finance Minister Euclid Tsakalotos told reporters after marathon talks.
"This is good news," Eurogroup chief Jeroen Dijsselbloem said in a statement released in Brussels, adding that the funds would be paid once the Greek parliament adopts fresh reforms on Thursday.
"Upon the completion of the agreed conditionality and the implemented legislation, the Eurogroup stand ready to support the disbursement," he said.
Athens has since adopted a number of the unpopular reforms but creditors have wanted it to do more.
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Dijsselbloem, the Dutch finance minister, said that "substantive agreement has been reached on all outstanding issues" regarding the current steps that Athens must take.
The agreement covers streamlining home foreclosures, which the government was reluctant to accept in order to ensure a safety net for more vulnerable households.
A Greek government source said the compromise reached will protect around 60 per cent of indebted households from having their primary residence seized.
The protections against home seizures come with strict conditions, with a review of procedures planned for 2019, the source said.
The government is to submit the agreed measures to parliament later Tuesday for a vote on Thursday, the minister said.
Eurozone officials are also expected to approve the agreement later today, ahead of a Friday decision to unlock the funds.
The funds include 10 billion euros to recapitalise beleaguered Greek banks.
He won fresh elections the deal triggered, calling the bailout agreement a "painful compromise" and a "tactical retreat" that enabled the country to avoid bankruptcy and stay in the euro.