diff --git a/src/Models/Sale.php b/src/Models/Sale.php
index 218ba6e..818ccf0 100644
--- a/src/Models/Sale.php
+++ b/src/Models/Sale.php
@@ -151,4 +151,14 @@ public function has_personalization(): int
     {
         return $this->personalizations()->count();
     }
+
+    public function periodicities(): HasMany
+    {
+        return $this->hasMany(SalePeriodicity::class, 'sale_id');
+    }
+
+    public function crm_credit_process_simulator(): BelongsTo
+    {
+        return $this->belongsTo(config('iss-vendas.crm_credit_process_simulator_class'), 'crm_credit_process_simulator_id', 'id');
+    }
 }
diff --git a/src/Models/SalePeriodicity.php b/src/Models/SalePeriodicity.php
new file mode 100644
index 0000000..39044b8
--- /dev/null
+++ b/src/Models/SalePeriodicity.php
@@ -0,0 +1,153 @@
+<?php
+
+namespace Bildvitta\IssVendas\Models;
+
+use Bildvitta\IssVendas\Traits\UsesVendasDB;
+use Eloquent;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\SoftDeletes;
+use Illuminate\Database\Query\Builder;
+use Illuminate\Support\Carbon;
+
+/**
+ * App\Models\SalePeriodicity
+ *
+ * @property int $id
+ * @property string $uuid
+ * @property int $sale_id
+ * @property string $periodicity
+ * @property int $installments
+ * @property float $installment_price
+ * @property float|null $installment_amount
+ * @property bool $editable
+ * @property string|null $payment_method
+ * @property Carbon $due_at
+ * @property Carbon|null $created_at
+ * @property Carbon|null $updated_at
+ * @property Carbon|null $deleted_at
+ * @property-read \App\Models\Sale $sale
+ *
+ * @method static \Database\Factories\SalePeriodicityFactory factory($count = null, $state = [])
+ * @method static \Illuminate\Database\Eloquent\Builder|SalePeriodicity newModelQuery()
+ * @method static \Illuminate\Database\Eloquent\Builder|SalePeriodicity newQuery()
+ * @method static \Illuminate\Database\Eloquent\Builder|SalePeriodicity onlyTrashed()
+ * @method static Builder|BaseModel pagination()
+ * @method static \Illuminate\Database\Eloquent\Builder|SalePeriodicity query()
+ * @method static Builder|BaseModel search()
+ * @method static \Illuminate\Database\Eloquent\Builder|SalePeriodicity whereCreatedAt($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|SalePeriodicity whereDeletedAt($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|SalePeriodicity whereDueAt($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|SalePeriodicity whereEditable($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|SalePeriodicity whereId($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|SalePeriodicity whereInstallmentAmount($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|SalePeriodicity whereInstallmentPrice($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|SalePeriodicity whereInstallments($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|SalePeriodicity wherePaymentMethod($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|SalePeriodicity wherePeriodicity($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|SalePeriodicity whereSaleId($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|SalePeriodicity whereUpdatedAt($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|SalePeriodicity whereUuid($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|SalePeriodicity withTrashed()
+ * @method static \Illuminate\Database\Eloquent\Builder|SalePeriodicity withoutTrashed()
+ *
+ * @mixin Eloquent
+ */
+class SalePeriodicity extends Model
+{
+    use SoftDeletes;
+    use UsesVendasDB;
+
+    public const PERIODICITY_LIST = [
+        // produto
+        'financing' => 'Financiamento',
+        'fgts' => 'FGTS',
+        'subsidy' => 'Subsídio',
+        'down_payment' => 'Entrada',
+        'intermediate' => 'Intermediária',
+        'post_construction' => 'Pós-obra',
+        'monthly' => 'Mensal',
+        'bimonthly' => 'Bimestral',
+        'quarterly' => 'Trimestral',
+        'semiannual' => 'Semestral',
+        'yearly' => 'Anual',
+        'conclusion_balance' => 'Saldo Conclusão',
+        'conclusion_keys' => 'Conclusão chaves',
+        //vendas
+        'signal' => 'Sinal',
+        'periodicity' => 'Periodicidade',
+        'final' => 'Final',
+        'single' => 'Única',
+        'single_financing' => 'Única - Financiamento',
+        'vehicle_exchange' => 'Dação em pagamento - Veículo',
+        'real_estate_development_exchange' => 'Dação em pagamento - Imóvel',
+    ];
+
+    /**
+     * @const array[]
+     */
+    public const PAYMENT_METHOD = [
+        'bank_slip' => 'Boleto',
+        'bank' => 'Banco',
+        'credit_card' => 'Cartão',
+    ];
+
+    /*
+     * 00 - Aguardando Json
+     * 10 - Processado
+     * 20 - Baixado
+     * 30 - Integrado com o Oracle
+     * 40 - Integrado com o Mega
+     * 80 - Cancelado
+     * 99 - Processado com Erro
+     */
+    public const PERIODICITY_STATUS_FROM_MEGA = [
+        '0' => [
+            'label' => 'Não gerado',
+            'value' => 'not-generated',
+        ],
+        '10' => [
+            'label' => 'Em aberto',
+            'value' => 'is-open',
+        ],
+        '20' => [
+            'label' => 'Pago',
+            'value' => 'paid',
+        ],
+        '80' => [
+            'label' => 'Cancelado',
+            'value' => 'canceled',
+        ],
+        '99' => [
+            'label' => 'Não gerado',
+            'value' => 'not-generated',
+        ],
+        'unknown' => [
+            'label' => 'Desconhecido',
+            'value' => 'unknown',
+        ],
+    ];
+
+    protected $fillable = [
+        'uuid',
+        'proposal_model_id',
+        'periodicity',
+        'installments',
+        'installment_price',
+        'installment_amount',
+        'due_at',
+        'editable',
+        'payment_method',
+    ];
+
+    protected $casts = [
+        'due_at' => 'date:Y-m-d',
+        'installment_amount' => 'real',
+        'editable' => 'boolean',
+    ];
+
+    public function sale(): BelongsTo
+    {
+        return $this->belongsTo(Sale::class);
+    }
+}