Compare Business APIs
Deep dive into the technical specifications of 23 Business APIs. Use this side-by-side comparison to evaluate which service best fits your architectural requirements.
| API Identity | Score | Authentication | HTTPS | CORS | Speed | Difficulty | Brief |
|---|---|---|---|---|---|---|---|
| Apache Superset | 87 A | API Key | Yes | - | Intermediate | Apache Superset's REST API lets you programmatically manage dashboards, charts, datasets, and databa... | |
| Charity Search | 67 C | API Key | ? | - | Intermediate | Charity Search lets you look up verified US non-profit organizations by name, EIN, or keyword. Use i... | |
| Clearbit Logo | 77 B | API Key | ? | - | Intermediate | Clearbit Logo returns a company logo image by domain name — no scraping required. Useful for enrichi... | |
| Domainsdb.info | 79 B | No Auth | No | 394ms | Beginner | Domainsdb.info lets you search registered domain names by keyword, TLD, or zone with no authenticati... | |
| Freelancer | 63 C | OAuth | ? | - | Advanced | The Freelancer API lets you post projects, search freelancers, and manage bids and contracts program... | |
| Gmail | 68 C | OAuth | ? | - | Advanced | The Gmail API gives you full read/write access to a Gmail inbox via OAuth 2.0 — send messages, read ... | |
| Google Analytics | 63 C | OAuth | ? | - | Advanced | Google Analytics Data API (GA4) lets you query sessions, users, and conversion metrics to build cust... | |
| Instatus | 72 B | API Key | ? | - | Intermediate | Instatus API lets you programmatically create and update incidents and maintenance windows on your p... | |
| Mailchimp | 72 B | API Key | ? | - | Intermediate | Mailchimp API lets you manage email lists, create campaigns, and track subscriber activity. Use it t... | |
| mailjet | 72 B | API Key | ? | - | Intermediate | Mailjet lets you send transactional and marketing emails via a simple REST API using MJML or HTML te... | |
| markerapi | 72 B | No Auth | ? | 258ms | Beginner | Markerapi provides free search access to the USPTO trademark database, letting you check if a brand ... | |
| ORB Intelligence | 0 F | API Key | ? | - | Intermediate | ORB Intelligence provides programmatic access to company lookup via REST API. This Business API enab... | |
| Redash | 82 A | API Key | Yes | - | Intermediate | Redash is an open-source data visualization and dashboarding tool that exposes a REST API for managi... | |
| Smartsheet | 60 C | OAuth | No | - | Advanced | Smartsheet's REST API lets you read and write spreadsheet-style data including rows, columns, and at... | |
| Square | 0 F | OAuth | ? | - | Advanced | Square provides programmatic access to easy way to take payments, manage refunds, and help customers... | |
| SwiftKanban | 47 D | API Key | ? | - | Intermediate | SwiftKanban is a visual project management platform based on Kanban principles, and its API lets you... | |
| Tenders in Hungary | 82 A | No Auth | ? | 357ms | Beginner | The Tenders in Hungary API from tenders.guru delivers publicly available government procurement data... | |
| Tenders in Poland | 82 A | No Auth | ? | 347ms | Beginner | The Tenders in Poland API provides structured access to Polish government procurement notices and co... | |
| Tenders in Romania | 82 A | No Auth | ? | 357ms | Beginner | The Tenders in Romania API by tenders.guru exposes Romanian public procurement data including tender... | |
| Tenders in Spain | 82 A | No Auth | ? | 348ms | Beginner | The Tenders in Spain API from tenders.guru delivers Spanish public procurement data in JSON format, ... | |
| Tenders in Ukraine | 82 A | No Auth | ? | 344ms | Beginner | The Tenders in Ukraine API from tenders.guru offers free, unauthenticated access to Ukrainian public... | |
| Tomba email finder | 77 B | API Key | Yes | - | Intermediate | Tomba is an email finding and verification service geared toward B2B sales outreach, letting you loo... | |
| Trello | 68 C | OAuth | ? | - | Advanced | Trello's REST API gives you full control over boards, lists, and cards, letting you create cards, mo... |