2 Best APIs for Bucket Policies in Nigeria

Vultr Object Storage is a scalable S3-compatible cloud object storage service offered by Vultr, a developer-focused cloud infrastructure provider known for its competitive compute pricing and simple management interfaces. Vultr Object Storage enables applications to store and retrieve any amount of unstructured data — files, images, videos, documents, logs, backups, and application assets — using the industry-standard Amazon S3 API protocol. The primary advantage of Vultr Object Storage for teams already using Vultr compute instances is colocation: storing objects in the same Vultr region as your virtual machines eliminates cross-provider data transfer fees and reduces latency for object reads and writes. When an application hosted on a Vultr compute instance uploads or reads files from Vultr Object Storage in the same region, the transfer is internal to the Vultr network and does not incur standard egress charges, making this an economical choice for bandwidth-intensive workloads. Vultr Object Storage implements the S3 API, which means any code, tool, or library designed for AWS S3 works with Vultr Object Storage by substituting the endpoint URL and access key pair. This compatibility applies to the AWS CLI, boto3 (Python), the AWS SDK for JavaScript, Go, Java, Ruby, .NET, and all other major AWS SDKs. Tools like rclone, s3cmd, MinIO Client, Cyberduck, and Mountain Duck work natively with Vultr Object Storage. This means Nigerian developers who already understand S3 concepts can use Vultr Object Storage immediately without learning a new API. Standard S3 operations are fully supported: creating and deleting buckets, listing objects, single-part and multipart uploads for large files, downloading objects, setting bucket-level access control lists, configuring CORS policies for browser-based uploads, and generating presigned URLs for time-limited access to private objects. Presigned URLs are particularly useful for Nigerian applications that need to allow end users to upload files directly from their browser or mobile app to object storage without routing the upload through an application server. Vultr Object Storage pricing starts at $5 per month for 250GB of storage and 1TB of outbound transfer, with additional storage at $0.01/GB and additional egress at $0.01/GB beyond the included allowance. This predictable base pricing makes it straightforward to estimate monthly costs for Nigerian startups with defined storage needs. Unlike some cloud providers whose storage costs are difficult to predict due to complex egress tiering, Vultr Object Storage pricing is transparent from the start. CDN integration is available through Vultr CDN, which can front Vultr Object Storage buckets to distribute content delivery across global edge locations. For Nigerian applications serving both local and international users, this allows static assets, media files, and other downloadable content to be served from edge nodes closer to users, improving download speeds and reducing the burden on the origin object storage. For Nigerian developers and businesses, Vultr represents an accessible entry point into professional cloud object storage without the perceived complexity or cost concerns of AWS S3 or Google Cloud Storage. Startups can begin with the base $5/month plan and scale as needed, with usage-based pricing for additional storage and bandwidth rather than being forced into large prepaid commitments. Common use cases for Nigerian teams include storing user-uploaded files for SaaS applications, hosting product images and assets for e-commerce platforms, storing application log files for later analysis, maintaining backup archives for databases and configuration files, and serving build artifacts and release binaries for software delivery pipelines. Vultr Object Storage also supports server-side encryption and HTTPS for data in transit, meeting basic security requirements for storing user data and business files. Bucket policies can restrict access at the bucket level, and object-level ACLs can set individual objects to public or private visibility. For Nigerian platforms needing to serve some public content (product images, public documents) while keeping other objects private (user data, internal files), the mix of public and private ACLs within the same bucket is a useful capability.

Supabase Storage is the file storage service embedded within the Supabase open-source backend platform, providing object storage with database-integrated access control and built-in image transformation capabilities. Unlike standalone cloud storage services, Supabase Storage is deeply connected to the Supabase PostgreSQL database and authentication system, enabling access control policies that reference the same user identities and database data as the rest of the application without separate permission management infrastructure. The storage data model in Supabase uses buckets as top-level containers and objects as individual stored files within those buckets. Buckets can be configured as public (all objects are publicly accessible via URL) or private (access requires authentication and policy authorization). This per-bucket visibility setting covers the default access model, while Row Level Security (RLS) policies on the storage schema tables provide fine-grained per-object and per-path access control for private buckets. Row Level Security integration is the defining technical characteristic of Supabase Storage's access control model. Rather than a separate permission system, Supabase Storage access is controlled by PostgreSQL RLS policies on the storage.objects table. This means access rules can reference any data in the PostgreSQL database — user roles, team memberships, subscription plans, content ownership — using the same SQL-based policy syntax used for all other RLS policies in a Supabase project. A single policy expression can restrict file access to the authenticated user who owns the file, members of a specific team, or users with specific subscription-granted permissions. The Supabase Storage API exposes standard REST endpoints for file operations: upload (single and multipart for large files), download, list objects within a bucket or path prefix, copy, move, and delete. Presigned URLs with configurable expiration times are supported for both uploads and downloads, enabling applications to generate time-limited direct-access URLs for private files. The JavaScript client library, available as part of the @supabase/supabase-js package, wraps these REST operations into a convenient SDK that handles authentication header injection automatically using the current session from Supabase Auth. Image transformation is built natively into Supabase Storage through the Transform API. Images stored in Supabase Storage can be resized, reformatted, and quality-adjusted by appending transform parameters to the image URL. A product image stored at its original resolution can be requested at a specified width and height, automatically cropped or scaled by Supabase Storage's transform service, without pre-generating multiple image variants at upload time. Format conversion to WebP for modern browsers is supported, reducing image payload size for Nigerian users on mobile data connections. Supabase Storage is backed by S3-compatible object storage, either Supabase's managed cloud infrastructure or a self-hosted MinIO or compatible storage backend when self-hosting Supabase. This architecture means that stored objects are durable and the Supabase Storage API layer handles authentication, policy evaluation, and transformation while the underlying storage provides the object persistence layer. For Nigerian developers building applications with Supabase as their backend, Storage is the natural file storage choice because it shares authentication state with Supabase Auth. When a user is signed in through Supabase Auth, the same JWT token that authorizes database queries also authorizes Storage operations — there is no separate file storage authentication flow to implement. This unified auth model significantly reduces the complexity of building file upload features into Supabase-backed applications. Common use cases for Nigerian Supabase projects include profile photo and avatar storage for social apps, document upload for KYC and verification workflows in fintech applications, media upload for content-sharing platforms, and attachment storage for productivity and communication tools. The combination of integrated auth, database-connected RLS policies, and image transformation makes Supabase Storage a complete file management solution that eliminates the need for integrating separate storage, CDN, and image processing services for most application needs.