diff --git a/src/Obol/Model/Enum/AggregateType.php b/src/Obol/Model/Enum/AggregateType.php
new file mode 100644
index 00000000..7eafc0a1
--- /dev/null
+++ b/src/Obol/Model/Enum/AggregateType.php
@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Copyright (C) 2020-2024 Iain Cambridge
+ *
+ *     This program is free software: you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ *
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ *     You should have received a copy of the GNU General Public License
+ *     along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace Obol\Model\Enum;
+
+enum AggregateType
+{
+    case LAST_DURING_PERIOD;
+    case LAST_EVER;
+    case MAX;
+    case SUM;
+
+    public static function fromStripe(string $value): AggregateType
+    {
+        return match ($value) {
+            'last_during_period' => self::LAST_DURING_PERIOD,
+            'last_ever' => self::LAST_EVER,
+            'max' => self::MAX,
+            default => self::SUM,
+        };
+    }
+}
diff --git a/src/Obol/Model/Enum/BillingType.php b/src/Obol/Model/Enum/BillingType.php
new file mode 100644
index 00000000..78071a85
--- /dev/null
+++ b/src/Obol/Model/Enum/BillingType.php
@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Copyright (C) 2020-2024 Iain Cambridge
+ *
+ *     This program is free software: you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ *
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ *     You should have received a copy of the GNU General Public License
+ *     along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace Obol\Model\Enum;
+
+enum BillingType
+{
+    case PER_UNIT;
+    case TIERED;
+
+    public static function fromStripe(?string $value): ?BillingType
+    {
+        return match ($value) {
+            'tiered' => self::TIERED,
+            'per_unit' => self::PER_UNIT,
+            default => null,
+        };
+    }
+}
diff --git a/src/Obol/Model/Enum/TierMode.php b/src/Obol/Model/Enum/TierMode.php
new file mode 100644
index 00000000..9257dcee
--- /dev/null
+++ b/src/Obol/Model/Enum/TierMode.php
@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Copyright (C) 2020-2024 Iain Cambridge
+ *
+ *     This program is free software: you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ *
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ *     You should have received a copy of the GNU General Public License
+ *     along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace Obol\Model\Enum;
+
+enum TierMode
+{
+    case GRADUATED;
+    case VOLUME;
+
+    public static function fromString(?string $value): ?TierMode
+    {
+        return match ($value) {
+            'graduated' => self::GRADUATED,
+            'volume' => self::VOLUME,
+            default => null,
+        };
+    }
+}
diff --git a/src/Obol/Model/Enum/UsageType.php b/src/Obol/Model/Enum/UsageType.php
new file mode 100644
index 00000000..3872a64e
--- /dev/null
+++ b/src/Obol/Model/Enum/UsageType.php
@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Copyright (C) 2020-2024 Iain Cambridge
+ *
+ *     This program is free software: you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ *
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ *     You should have received a copy of the GNU General Public License
+ *     along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace Obol\Model\Enum;
+
+enum UsageType
+{
+    case METERED;
+    case PACKAGE;
+
+    public static function fromStripe(?string $value): ?UsageType
+    {
+        return match ($value) {
+            'metered' => self::METERED,
+            'licensed' => self::PACKAGE,
+            default => null,
+        };
+    }
+}
diff --git a/src/Obol/Model/Price.php b/src/Obol/Model/Price.php
index 48638c52..3aeccdb7 100644
--- a/src/Obol/Model/Price.php
+++ b/src/Obol/Model/Price.php
@@ -21,6 +21,11 @@
 
 namespace Obol\Model;
 
+use Obol\Model\Enum\AggregateType;
+use Obol\Model\Enum\BillingType;
+use Obol\Model\Enum\TierMode;
+use Obol\Model\Enum\UsageType;
+
 class Price
 {
     protected ?string $id = null;
@@ -39,6 +44,14 @@ class Price
 
     private ?string $schedule = null;
 
+    private ?TierMode $tierMode = null;
+
+    private ?BillingType $billingType = null;
+
+    private ?AggregateType $aggregateType = null;
+
+    private ?UsageType $usageType = null;
+
     public function isIncludingTax(): bool
     {
         return $this->includingTax;
@@ -118,4 +131,44 @@ public function setSchedule(?string $schedule): void
     {
         $this->schedule = $schedule;
     }
+
+    public function getTierMode(): ?TierMode
+    {
+        return $this->tierMode;
+    }
+
+    public function setTierMode(?TierMode $tierMode): void
+    {
+        $this->tierMode = $tierMode;
+    }
+
+    public function getBillingType(): ?BillingType
+    {
+        return $this->billingType;
+    }
+
+    public function setBillingType(?BillingType $billingType): void
+    {
+        $this->billingType = $billingType;
+    }
+
+    public function getAggregateType(): ?AggregateType
+    {
+        return $this->aggregateType;
+    }
+
+    public function setAggregateType(?AggregateType $aggregateType): void
+    {
+        $this->aggregateType = $aggregateType;
+    }
+
+    public function getUsageType(): ?UsageType
+    {
+        return $this->usageType;
+    }
+
+    public function setUsageType(?UsageType $usageType): void
+    {
+        $this->usageType = $usageType;
+    }
 }
diff --git a/src/Obol/Model/Tier.php b/src/Obol/Model/Tier.php
new file mode 100644
index 00000000..b15f8d71
--- /dev/null
+++ b/src/Obol/Model/Tier.php
@@ -0,0 +1,61 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Copyright (C) 2020-2024 Iain Cambridge
+ *
+ *     This program is free software: you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ *
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ *     You should have received a copy of the GNU General Public License
+ *     along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace Obol\Model;
+
+class Tier
+{
+    private int $flatAmount;
+
+    private int $unitAmount;
+
+    private int $upTo;
+
+    public function getFlatAmount(): int
+    {
+        return $this->flatAmount;
+    }
+
+    public function setFlatAmount(int $flatAmount): void
+    {
+        $this->flatAmount = $flatAmount;
+    }
+
+    public function getUnitAmount(): int
+    {
+        return $this->unitAmount;
+    }
+
+    public function setUnitAmount(int $unitAmount): void
+    {
+        $this->unitAmount = $unitAmount;
+    }
+
+    public function getUpTo(): int
+    {
+        return $this->upTo;
+    }
+
+    public function setUpTo(int $upTo): void
+    {
+        $this->upTo = $upTo;
+    }
+}
diff --git a/src/Obol/Provider/Stripe/PriceService.php b/src/Obol/Provider/Stripe/PriceService.php
index 09a8a78c..ce1a2fd9 100644
--- a/src/Obol/Provider/Stripe/PriceService.php
+++ b/src/Obol/Provider/Stripe/PriceService.php
@@ -23,6 +23,10 @@
 
 use Obol\Exception\ProviderFailureException;
 use Obol\Model\CreatePrice;
+use Obol\Model\Enum\AggregateType;
+use Obol\Model\Enum\BillingType;
+use Obol\Model\Enum\TierMode;
+use Obol\Model\Enum\UsageType;
 use Obol\Model\Price;
 use Obol\Model\PriceCreation;
 use Obol\PriceServiceInterface;
@@ -122,6 +126,13 @@ public function populatePrice(\Stripe\Price $stripePrice): Price
         $price->setSchedule($stripePrice->recurring?->interval);
         $price->setIncludingTax('inclusive' === $stripePrice->tax_behavior);
 
+        if ($stripePrice->recurring?->aggregate_usage) {
+            $price->setAggregateType(AggregateType::fromStripe($stripePrice->recurring->aggregate_usage));
+        }
+        $price->setTierMode(TierMode::fromString($stripePrice->tiers_mode));
+        $price->setBillingType(BillingType::fromStripe($stripePrice->billing_scheme));
+        $price->setUsageType(UsageType::fromStripe($stripePrice->recurring?->usage_type));
+
         return $price;
     }
 }