Feature

Embeddings & Vector Support

Vector embeddings and similarity search.

19 providers 166 APIs 18 declared variants

The API produces embeddings or stores and searches vectors for semantic retrieval. The backbone of RAG and recommendation pipelines.

19 API providers on the APIs.io network offer embeddings & vector support. The highest-rated are YugabyteDB, ChatGPT, NVIDIA NIM, Cloudflare, Sketchfab.

Providers

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Exemplar 2 Complete, well-documented, and agent-ready
YugabyteDB YugabyteDB is a distributed PostgreSQL-compatible SQL database for cloud-native and mission-critical applic... 2 APIs 73.0 ChatGPT OpenAI's ChatGPT API for conversational AI and language model interactions. 13 APIs 70.6
Strong 8 Solid coverage with minor gaps
NVIDIA NIM NVIDIA NIM (NVIDIA Inference Microservices) is a catalog of GPU-accelerated, containerized AI inference mic... 10 APIs 69.9 Cloudflare Cloudflare is a global network designed to make everything you connect to the Internet secure, private, fas... 54 APIs 69.7 Sketchfab Sketchfab is the largest dedicated platform for publishing, sharing, discovering, buying, and embedding int... 5 APIs 64.7 Pinecone With its vector database at the core, Pinecone is the leading knowledge platform for building accurate, sec... 6 APIs 62.8 Choreo WSO2 Choreo is an enterprise-grade Internal Developer Platform (IDP) and application orchestration platform... 3 APIs 62.7 Civitai Civitai is the largest open community for Stable Diffusion, SDXL, Flux, and video AI models — hosting over ... 3 APIs 61.8 Azure Databricks Azure Databricks is an Apache Spark-based analytics platform optimized for Microsoft Azure. It provides a c... 39 APIs 60.7 Weaviate Weaviate is an open-source, AI-native vector database that enables developers to build semantic search and ... 1 API 60.5
Developing 7 Usable, with meaningful gaps to close
D-Wave D-Wave Quantum Inc. (NYSE: QBTS) is the leader in commercial quantum annealing computing and developer of t... 6 APIs 59.4 Chroma Chroma (Chroma DB) is an open-source AI-native embedding database designed to make it easy to build LLM app... 4 APIs 59.3 Neon Neon is a serverless Postgres platform that provides fully managed, scalable PostgreSQL databases optimized... 4 APIs 59.3 Supabase Supabase is an open-source Firebase alternative that provides a suite of backend services built on top of P... 6 APIs 55.9 Parasail Parasail is an AI Supercloud — a pay-per-token GPU inference platform aimed at AI startups and developers. ... 3 APIs 55.1 AIMLAPI AIMLAPI is a unified AI model API gateway providing access to 400+ state-of-the-art AI models from OpenAI, ... 1 API 54.6 Redis Redis is an open source, in-memory data structure store used as a database, cache, message broker, and stre... 4 APIs 49.5
Thin 2 Limited public surface area
Qdrant Qdrant is a vector similarity search engine that provides a production-ready service with a convenient API ... 1 API 44.3 Marqo Marqo is an open-source, multimodal vector search engine that lets developers index text and images, genera... 1 API 36.6

What Providers Actually Declared

This feature is a canonical term. These are the free-text strings providers wrote in their own apis.yml that map onto it.

Built-in modules for OpenAI, Cohere, HuggingFace embeddingsCloud Inference for embeddings (selected models free)EmbeddingsInference API for embeddings + rerankingLargest community catalog of Stable Diffusion, SDXL, and Flux checkpoints, LoRAs, embeddings, and VAEsManaged Vector DatabasesMarqo-FashionCLIP and marqo-ecommerce-embeddings open-weight modelsNeMo Retriever NIMs for embeddings, reranking, OCR, and PDF-to-Markdown extraction in RAG pipelinesVector IndexingVector Similarity Search (Dense, Sparse, Hybrid)Vector embeddings via pgvectorVector search for RAG and similarity searchVector similarity search (RediSearch)Vectorize vector database; Hyperdrive for connection poolingVision, multimodal, embeddings, and TTS (Resemble, Orpheus) model surfacesWordPress, CKEditor, phpBB, NodeBB, and Vanilla Forums content plugins for embedding models in CMS and forum platformsdwave-inspector — interactive problem inspector for visualizing embeddings and chainspgvector for embeddings

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